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宮本直和（ミヤモトナオカズ）

研究テーマ	骨格筋の形状と機能　～スポーツパフォーマンスやスポーツ外傷・障害との関連～
研究業績（論文）	＜原著論文（英文誌）＞　（：Corresponding Author） Yamashita D, Hirata K, Yamazaki K, Mujika I, Miyamoto N. Effect of two weeks of training cessation on concentric and eccentric knee muscle strength in highly trained sprinters PLOS ONE 18(7): e0288344, 2023 Hagiwara M, Miyamoto N, Michishita J. Association between order during first upwind leg and finishing place of race in sailing event of Tokyo 2020 Olympic Games Journal of High Performance Sport (in press) Watanabe H, Ogoh S, Miyamoto N, Kanehisa H, Yoshitake Y. Greater task difficulty during unilateral motor tasks changes intracortical inhibition and facilitation in the ipsilateral primary motor cortex in young men Neuroscience Letters 808: 137293, 2023 Kumagai H, Kaneko T, Shintake Y, Miyamoto-Mikami E, Tomita H, Fukuo M, Kawai W, Harada M, Kikuchi N, Kamiya N, Hirata K, Zempo H, Maeda S, Miyamoto N, Fuku N Genetic polymorphisms related to muscular strength and flexibility are associated with artistic gymnastic performance in the Japanese population European Journal of Sport Science 23 (6): 955-963, 2023 Akazawa T, Miyamoto N, Nishio H, Miyamoto-Mikami E, Kinoshita M, Kobayashi Y, Nagao M, Takzawa Y. Age-related changes in mechanical properties of semitendinosus tendon used for anterior cruciate ligament reconstruction Journal of Orthopaedic Surgery and Research 17: 501, 2022 Zhi L, Miyamoto N, Naito H Passive muscle stiffness of biceps femoris is acutely reduced after eccentric knee flexion Journal of Sports Science and Medicine 21: 487-492, 2022 Otsuka Y, Miyamoto N, Nagai A, Izumo T, Nakai M, Fukuda M, Arimitsu T, Yamada Y, Hashimoto T. Effects of Quercetin Glycoside Supplementation Combined With Low-Intensity Resistance Training on Muscle Quantity and Stiffness: A Randomized, Controlled Trial Frontiers in Nutrition 9: 912217, 2022 Otsuka Y, Yamada Y, Maeda A, Izumo T, Rogi T, Shibata H, Fukuda M, Arimitsu T, Miyamoto N, Hashimoto T Effects of resistance training intensity on muscle quantity/quality in middle-aged and older people: a randomized controlled trial Journal of Cachexia, Sarcopenia and Muscle 13(2): 894-908, 2022 Yamazaki K, Inoue K, Miyamoto N Passive and active muscle elasticity of medial gastrocnemius is related to performance in sprinters European Journal of Applied Physiology 122(2): 447-457, 2022 Miyamoto N, Hirata K Site-specific features of active muscle stiffness and proximal aponeurosis strain in biceps femoris long head Scandinavian Journal of Medicine and Science in Sports 31(8):1666-1673, 2021 Maeda A, Yamagishi M, Otsuka Y, Izumo T, Rogi T, Shibata H, Fukuda M, Arimitsu T, Yamada Y, Miyamoto N, Hashimoto T Characteristics of the passive muscle stiffness of the vastus lateralis: a feasibility study to assess muscle fibrosis International Journal of Environmental Research and Public Health 18(17): 8947, 2021 Noro H, Miyamoto N, Mitsukawa N, Yanagiya T No association of plantar aponeurosis stiffness with medial longitudinal arch stiffness International Journal of Sports Medicine 42(10): 945-949, 2021 Miyamoto-Mikami E, Kumagai H, Tanisawa K, Taga Y, Hirata K, Kikuchi N, Kamiya N, Kawakami R, Midorikawa T, Kawamura T, Kakigi R, Natsume T, Zempo H, Suzuki K, Kohmura Y, Mizuno K, Torii S, Sakamoto S, Oka K, Higuchi M, Naito H, Miyamoto N, Fuku N. Female athletes genetically susceptible to fatigue fracture are resistant to muscle injury: Potential role of COL1A1 variant Medicine and Science in Sports and Exercise 53(9): 1855-1864, 2021 Hirata K, Kanehisa H, Miyamoto N* Association between medial gastrocnemius muscle-tendon unit architecture and ankle dorsiflexion range of motion with and without consideration of slack angle PLOS ONE 16(3): e0248125, 2021. Tayashiki K, Kanehisa H, Miyamoto N* Does intra-abdominal pressure have a causal effect on muscle strength of hip and knee joints? Journal of Strength and Conditioning Research 35(1): 41-46, 2021 Miyamoto N, Kimura N, Hirata K Nonuniform distribution of passive muscle stiffness within hamstring Scandinavian Journal of Medicine and Science in Sports 30(9):1729-1738, 2020. Miyamoto-Mikami E, Kumagai H, Kikuchi N, Kamiya N, Miyamoto N, Fuku N eQTL variants in COL22A1 are associated with muscle injury in athletes Physiological Genomics 52(12): 588-589, 2020. Sakushima K, Yoshikawa M, Osaki T, Miyamoto N, Hashimoto T Moderate hypoxia promotes skeletal muscle cell growth and hypertrophy in C2C12 cells Biochemical and Biophysical Research Communications 525(4): 921-927, 2020. Miyamoto-Mikami E, Miyamoto N, Kumagai H, Hirata K, Kikuchi N, Zempo H, Kimura N, Kamiya N, Kanehisa H, Naito H, Fuku N. COL5A1 rs12722 polymorphism is not associated with passive muscle stiffness and sports-related muscle injury in Japanese athletes. BMC Medical Genetics 20(1): 192, 2019. Miyamoto N, Hirata K. Moderate associations of muscle elasticity of the hamstring with hip joint flexibility. International Journal of Sports Medicine 40(11): 717-724, 2019. Miyamoto N, Hirata K, Inoue K, Hashimoto T. Muscle stiffness of the vastus lateralis in sprinters and long-distance runners. Medicine and Science in Sports and Exercise 51(10): 2080-2087, 2019. Miyamoto N, Hirata K. Muscle elasticity under active conditions in human: a methodological comparison. Translational Sports Medicine 2(3): 138-145, 2019. Kumagai H, Miyamoto-Mikami E, Hirata K, Kikuchi N, Kamiya N, Hoshikawa S, Zempo H, Naito H, Miyamoto N, Fuku N. ESR1 rs2234693 polymorphism is associated with muscle injury and muscle stiffness. Medicine and Science in Sports and Exercise 51(1): 19-26, 2019. Miyamoto N, Hirata K, Miyamoto-Mikami E, Yasuda O, Kanehisa H. Associations of passive muscle stiffness, muscle stretch tolerance, and muscle slack angle with range of motion: individual and sex differences. Scientific Reports 8(1): 8274, 2018. Miyamoto N, Miyamoto-Mikami E, Hirata K, Kimura N, Fuku N. Association analysis of the ACTN3 R577X polymorphism with passive muscle stiffness and muscle strain injury. Scandinavian Journal of Medicine and Science in Sports 28(3): 1209-1214, 2018. Miyamoto N, Hirata K, Kimura N, Miyamoto-Mikami E. Contributions of hamstring stiffness to straight-leg-raise and sit-and-reach test scores. International Journal of Sports Medicine 39(2): 110-114, 2018. Hirata K, Miyamoto-Mikami E, Kimura N, Miyamoto N. No association between passive material property and cross-sectional area in human hamstring. Journal of Physical Fitness and Sports Medicine 7(1): 35-40, 2018. Tayashiki K, Mizuno F, Kanehisa H, Miyamoto N. Causal effect of intra-abdominal pressure on maximal voluntary isometric hip extension torque. European Journal of Applied Physiology 118(1): 93-99, 2018. Akagi R, Suzuki M, Kawaguchi E, Miyamoto N, Yamada Y, Ema R. Muscle size-strength relationship including ultrasonographic echo intensity and voluntary activation level of a muscle group. Archives of Gerontology and Geriatrics 75: 185-190, 2018. Ema R, Takayama H, Miyamoto N, Akagi R. Effect of prolonged vibration to synergistic and antagonistic muscles on the rectus femoris activation during multi-joint exercises. European Journal of Applied Physiology 117(10): 2109-2118, 2017. Wakahara T, Ema R, Miyamoto N, Kawakami Y. Inter- and intra-muscular differences in training-induced hypertrophy of the quadriceps femoris: Association with muscle activation during the first training session. Clinical Physiology and Functional Imaging 37(4): 405-412, 2017. Tayashiki K, Hirata K, Ishida K, Kanehisa H, Miyamoto N. Associations of maximal voluntary isometric hip extension torque with muscle size of hamstring and gluteus maximus and intra-abdominal pressure. European Journal of Applied Physiology 117(6): 1267-1272, 2017. Hirata K, Kanehisa H, Miyamoto N. Acute effect of static stretching on passive stiffness of the human gastrocnemius fascicle measured by ultrasound shear wave elastography. European Journal of Applied Physiology 117(3): 493-499, 2017. Takayama F, Hirata K, Nabekura Y, Kanehisa H, Miyamoto N. Effects of marathon running on muscle damage in lower limb muscle groups and maximal aerobic capacity in novice recreational runners. Gazzetta Medica Italiana 176(3): 100-109, 2017. Miyamoto N, Hirata K, Kanehisa H. Effects of hamstring stretching on passive muscle stiffness vary between hip flexion and knee extension maneuvers. Scandinavian Journal of Medicine and Science in Sports 27(1): 99-106, 2017. Tayashiki K, Maeo S, Usui S, Miyamoto N, Kanehisa H. Effect of abdominal bracing training on strength and power of trunk and lower limb muscles. European Journal of Applied Physiology 116(9): 1703-1713, 2016. Hirata K, Miyamoto-Mikami E, Kanehisa H, Miyamoto N. Muscle-specific acute changes in passive stiffness of human triceps surae after stretching. European Journal of Applied Physiology 116(5): 911-918, 2016. Yoshitake Y, Miyamoto N, Taniguchi K, Katayose M, Kanehisa H. The skin acts to maintain muscle shear modulus. Ultrasound in Medicine and Biology 42(3): 674–682, 2016. 髙山史徳, 平田浩祐, 森寿仁, 鍋倉賢治, 宮本直和大学生市民ランナーのマラソンレースが筋損傷指標と有酸素性能力に与える影響ランニング学研究 27(2): 47-58, 2016. Miyamoto N, Hirata K, Kanehisa H, Yoshitake Y. Validity of measurement of shear modulus by ultrasound shear wave elastography in human pennate muscle. PLoS One 10(4): e0124311, 2015. Hirata K, Kanehisa H, Miyamoto-Mikami E, Miyamoto N. Evidence for intermuscle difference in slack angle in human triceps surae. Journal of Biomechanics 48(6): 1210-1213, 2015. Sugisaki N, Wakahara T, Murata K, Miyamoto N, Kawakami Y, Kanehisa H, Fukunaga T. Influence of muscle hypertrophy on the moment arm of the triceps brachii muscle. Journal of Applied Biomechanics 31(2): 111-116, 2015. Miyamoto N, Kawakami Y. No graduated pressure profile in compression stockings still reduces muscle fatigue. International Journal of Sports Medicine 36(3): 220-225, 2015. Wakahara T, Ema R, Miyamoto N, Kawakami Y. Increase in vastus lateralis aponeurosis width induced by resistance training: implications for a hypertrophic model of pennate muscle. European Journal of Applied Physiology 115(2): 309-316, 2015. Miyamoto N, Kawakami Y. Effect of pressure intensity of compression short-tight on fatigue of thigh muscles. Medicine and Science in Sports and Exercise 46(11):2168-2174, 2014. Fukutani A, Takei S, Hirata K, Miyamoto N, Kanehisa H, Kawakami Y. Influence of the intensity of squat exercises on the subsequent jump performance. Journal of Strength and Conditioning Research 28(8): 2236-2243, 2014. Fukutani A, Hirata K, Miyamoto N, Kanehisa H, Yanai T, Kawakami Y. Effect of conditioning contraction intensity on postactivation potentiation is muscle dependent. Journal of Electromyography and Kinesiology 24(2): 240-245, 2014. Fukutani A, Miyamoto N, Kanehisa H, Yanai T, Kawakami Y. Potentiation of isokinetic torque is velocity-dependent following an isometric conditioning contraction. SpringerPlus 2: 554, 2013. Ema R, Wakahara T, Miyamoto N, Kanehisa H, Kawakami Y. Inhomogeneous architectural changes of the quadriceps femoris induced by resistance training. European Journal of Applied Physiology 113(11): 2691-2703, 2013. Miyamoto N, Wakahara T, Ema R, Kawakami Y. Nonuniform muscle oxygenation despite uniform neuromuscular activity within the vastus lateralis during fatiguing heavy resistance exercise. Clinical Physiology and Functional Imaging 33(6): 463-469, 2013. Miyamoto N, Wakahara T, Ema R, Kawakami Y. Further potentiation of dynamic muscle strength after resistance training. Medicine and Science in Sports and Exercise 45(7): 1323-30, 2013. Ema R, Wakahara T, Mogi Y, Miyamoto N, Komatsu T, Kanehisa H, Kawakami Y. In vivo measurement of human rectus femoris architecture by ultrasonography: validity and applicability. Clinical Physiology and Functional Imaging 33(4): 267-273, 2013. 松本奈々, 宮本直和, 浦中宏典, 丸茂智彦, 谷口耕一, 川上泰雄大腿部への圧迫が電気刺激による誘発膝関節伸展トルクに及ぼす影響トレーニング科学 25(1): 55-60, 2013. 樋口貴俊, 永見智行, 宮本直和, 彼末一之野球打撃前に行う加重したバットでの素振りがバット速度と正確さに及ぼす影響東京体育学研究 4: 17-22, 2013. 中川剣人, 宮本直和, 村上雄治, 彼末一之筋痙攣中のM波振幅の低下東京体育学研究 4: 11-16, 2013. Miyamoto N, Kanehisa H, Kawakami Y. Potentiation of maximal voluntary concentric torque in human quadriceps femoris. Medicine and Science in Sports and Exercise 44(9): 1738-1746, 2012. Fukutani A, Miyamoto N, Kanehisa H, Yanai T, Kawakami Y. Influence of the intensity of a conditioning contraction on the subsequent twitch torque and maximal voluntary concentric torque. Journal of Electromyography and Kinesiology 22(4): 560-565, 2012. Miyamoto N, Wakahara T, Kawakami Y. Task-dependent inhomogeneous muscle activities within the bi-articular human rectus femoris muscle. PLoS ONE 7(3): e34269, 2012. Miyamoto N, Fukutani A, Yanai T, Kawakami Y. Twitch potentiation after voluntary contraction and neuromuscular electrical stimulation at various frequencies in human quadriceps femoris. Muscle and Nerve 45(1): 110-115, 2012. Wakahara T, Miyamoto N, Sugisaki N, Murata K, Kanehisa H, Kawakami Y, Fukunaga T, Yanai T. Association between regional differences in muscle activation in one session of resistance exercise and in muscle hypertrophy after resistance training. European Journal of Applied Physiology 112(4): 1569-1576, 2012. Miyamoto N, Yanai T, Kawakami Y. Twitch potentiation induced by stimulated and voluntary isometric contractions at various torque levels in human knee extensor muscles. Muscle and Nerve 43(3): 360-366, 2011. Miyamoto N, Hirata K, Mitsukawa N, Yanai T, Kawakami K. Effect of pressure intensity of graduated elastic compression stocking on muscle fatigue following calf-raise exercise. Journal of Electromyography and Kinesiology 21(2): 249-254, 2011. Miyamoto N, Kanehisa H, Fukunaga T, Kawakami Y. Effect of postactivation potentiation on the maximal voluntary isokinetic concentric torque in humans. Journal of Strength and Conditioning Research 25(1): 186-192, 2011. 福谷充輝, 宮本直和, 金久博昭, 矢内利政, 川上泰雄活動後増強を生じさせるためのコンディショニング収縮の時間が最大随意短縮性足関節底屈トルクに与える影響トレーニング科学 23(1): 31-38, 2011. Miyamoto N, Wakahara T, Sugisaki N, Murata K, Kanehisa H, Fukunaga T, Kawakami Y. Effect of counter-movement on elbow joint extension power-load characteristics. Journal of Sports Sciences 28(14): 1535-1542, 2010. Sugisaki N, Wakahara T, Miyamoto N, Murata K, Kanehisa H, Kawakami Y, Fukunaga T. Influence of muscle anatomical cross-sectional area on the moment arm length of the triceps brachii muscle at the elbow joint. Journal of Biomechanics 43(14): 2844-2847, 2010. Mitsukawa N, Sugisaki N, Miyamoto N, Yanai T, Kanehisa H, Fukunaga T, Kawakami Y. Fatigue-induced changes in synergistic muscle force do not match tendon elongation. Journal of Biomechanics 43(8): 1632-1634, 2010. Miyamoto N, Mitsukawa N, Sugisaki N, Fukunaga T, Kawakami Y. Joint angle dependence of inter-muscle difference in postactivation potentiation. Muscle and Nerve 41(4): 519-523, 2010. Miyamoto N*, Fukunaga T, Kawakami Y. Evidence for inter-muscle difference in postactivation potentiation in the human triceps surae: A mechanomyographic study. Muscle and Nerve 39(5): 703-706, 2009. Murata K, Sugisaki N, Miyamoto N, Wakahara T, Kanehisa H, Kawakami Y, Fukunaga T. Elastic properties of human in vivo triceps brachii tendon. International Journal of Sport and Health Science 6: 162-168, 2008. Miyamoto N, Oda S. Effect of joint angle on mechanomyographic amplitude during unfused and fused tetani in the human biceps brachii muscle. European Journal of Applied Physiology 95(2-3): 221-228, 2005. Miyamoto N, Oda S. Mechanomyographic and electromyographic responses of the triceps surae during maximal voluntary contractions. Journal of Electromyography and Kinesiology 13(5): 451-459, 2003. Oda S, Miyamoto N, Kida N. Force generation during concurrent hand grip and elbow flexion or extension. Advances in Exercise and Sports Physiology 6(4): 97-105, 2000.

研究テーマ

骨格筋の形状と機能　～スポーツパフォーマンスやスポーツ外傷・障害との関連～

研究業績（論文）

＜原著論文（英文誌）＞　（*：Corresponding Author）
Yamashita D, Hirata K, Yamazaki K, Mujika I, Miyamoto N*.
Effect of two weeks of training cessation on concentric and eccentric knee muscle strength in highly trained sprinters
PLOS ONE 18(7): e0288344, 2023

Hagiwara M, Miyamoto N, Michishita J.
Association between order during first upwind leg and finishing place of race in sailing event of Tokyo 2020 Olympic Games
Journal of High Performance Sport (in press)

Watanabe H, Ogoh S, Miyamoto N, Kanehisa H, Yoshitake Y.
Greater task difficulty during unilateral motor tasks changes intracortical inhibition and facilitation in the ipsilateral primary motor cortex in young men
Neuroscience Letters 808: 137293, 2023

Kumagai H, Kaneko T, Shintake Y, Miyamoto-Mikami E, Tomita H, Fukuo M, Kawai W, Harada M, Kikuchi N, Kamiya N, Hirata K, Zempo H, Maeda S, Miyamoto N, Fuku N
Genetic polymorphisms related to muscular strength and flexibility are associated with artistic gymnastic performance in the Japanese population
European Journal of Sport Science 23 (6): 955-963, 2023

Akazawa T, Miyamoto N, Nishio H, Miyamoto-Mikami E, Kinoshita M, Kobayashi Y, Nagao M, Takzawa Y.
Age-related changes in mechanical properties of semitendinosus tendon used for anterior cruciate ligament reconstruction
Journal of Orthopaedic Surgery and Research 17: 501, 2022

Zhi L, Miyamoto N*, Naito H
Passive muscle stiffness of biceps femoris is acutely reduced after eccentric knee flexion
Journal of Sports Science and Medicine 21: 487-492, 2022

Otsuka Y, Miyamoto N, Nagai A, Izumo T, Nakai M, Fukuda M, Arimitsu T, Yamada Y, Hashimoto T.
Effects of Quercetin Glycoside Supplementation Combined With Low-Intensity Resistance Training on Muscle Quantity and Stiffness: A Randomized, Controlled Trial
Frontiers in Nutrition 9: 912217, 2022

Otsuka Y, Yamada Y, Maeda A, Izumo T, Rogi T, Shibata H, Fukuda M, Arimitsu T, Miyamoto N, Hashimoto T
Effects of resistance training intensity on muscle quantity/quality in middle-aged and older people: a randomized controlled trial
Journal of Cachexia, Sarcopenia and Muscle 13(2): 894-908, 2022

Yamazaki K, Inoue K, Miyamoto N*
Passive and active muscle elasticity of medial gastrocnemius is related to performance in sprinters
European Journal of Applied Physiology 122(2): 447-457, 2022

Miyamoto N*, Hirata K
Site-specific features of active muscle stiffness and proximal aponeurosis strain in biceps femoris long head
Scandinavian Journal of Medicine and Science in Sports 31(8):1666-1673, 2021

Maeda A, Yamagishi M, Otsuka Y, Izumo T, Rogi T, Shibata H, Fukuda M, Arimitsu T, Yamada Y, Miyamoto N, Hashimoto T
Characteristics of the passive muscle stiffness of the vastus lateralis: a feasibility study to assess muscle fibrosis
International Journal of Environmental Research and Public Health 18(17): 8947, 2021

Noro H, Miyamoto N*, Mitsukawa N, Yanagiya T
No association of plantar aponeurosis stiffness with medial longitudinal arch stiffness
International Journal of Sports Medicine 42(10): 945-949, 2021

Miyamoto-Mikami E, Kumagai H, Tanisawa K, Taga Y, Hirata K, Kikuchi N, Kamiya N, Kawakami R, Midorikawa T, Kawamura T, Kakigi R, Natsume T, Zempo H, Suzuki K, Kohmura Y, Mizuno K, Torii S, Sakamoto S, Oka K, Higuchi M, Naito H, Miyamoto N, Fuku N.
Female athletes genetically susceptible to fatigue fracture are resistant to muscle injury: Potential role of COL1A1 variant
Medicine and Science in Sports and Exercise 53(9): 1855-1864, 2021

Hirata K, Kanehisa H, Miyamoto N*
Association between medial gastrocnemius muscle-tendon unit architecture and ankle dorsiflexion range of motion with and without consideration of slack angle
PLOS ONE 16(3): e0248125, 2021.

Tayashiki K, Kanehisa H, Miyamoto N*
Does intra-abdominal pressure have a causal effect on muscle strength of hip and knee joints?
Journal of Strength and Conditioning Research 35(1): 41-46, 2021

Miyamoto N*, Kimura N, Hirata K
Nonuniform distribution of passive muscle stiffness within hamstring
Scandinavian Journal of Medicine and Science in Sports 30(9):1729-1738, 2020.

Miyamoto-Mikami E, Kumagai H, Kikuchi N, Kamiya N, Miyamoto N, Fuku N
eQTL variants in COL22A1 are associated with muscle injury in athletes
Physiological Genomics 52(12): 588-589, 2020.

Sakushima K, Yoshikawa M, Osaki T, Miyamoto N, Hashimoto T
Moderate hypoxia promotes skeletal muscle cell growth and hypertrophy in C2C12 cells
Biochemical and Biophysical Research Communications 525(4): 921-927, 2020.

Miyamoto-Mikami E, Miyamoto N, Kumagai H, Hirata K, Kikuchi N, Zempo H, Kimura N, Kamiya N, Kanehisa H, Naito H, Fuku N.
COL5A1 rs12722 polymorphism is not associated with passive muscle stiffness and sports-related muscle injury in Japanese athletes.
BMC Medical Genetics 20(1): 192, 2019.

Miyamoto N*, Hirata K.
Moderate associations of muscle elasticity of the hamstring with hip joint flexibility.
International Journal of Sports Medicine 40(11): 717-724, 2019.

Miyamoto N*, Hirata K, Inoue K, Hashimoto T.
Muscle stiffness of the vastus lateralis in sprinters and long-distance runners.
Medicine and Science in Sports and Exercise 51(10): 2080-2087, 2019.

Miyamoto N*, Hirata K.
Muscle elasticity under active conditions in human: a methodological comparison.
Translational Sports Medicine 2(3): 138-145, 2019.

Kumagai H, Miyamoto-Mikami E, Hirata K, Kikuchi N, Kamiya N, Hoshikawa S, Zempo H, Naito H, Miyamoto N, Fuku N.
ESR1 rs2234693 polymorphism is associated with muscle injury and muscle stiffness.
Medicine and Science in Sports and Exercise 51(1): 19-26, 2019.

Miyamoto N*, Hirata K, Miyamoto-Mikami E, Yasuda O, Kanehisa H.
Associations of passive muscle stiffness, muscle stretch tolerance, and muscle slack angle with range of motion: individual and sex differences.
Scientific Reports 8(1): 8274, 2018.

Miyamoto N*, Miyamoto-Mikami E, Hirata K, Kimura N, Fuku N.
Association analysis of the ACTN3 R577X polymorphism with passive muscle stiffness and muscle strain injury.
Scandinavian Journal of Medicine and Science in Sports 28(3): 1209-1214, 2018.

Miyamoto N*, Hirata K, Kimura N, Miyamoto-Mikami E.
Contributions of hamstring stiffness to straight-leg-raise and sit-and-reach test scores.
International Journal of Sports Medicine 39(2): 110-114, 2018.

Hirata K, Miyamoto-Mikami E, Kimura N, Miyamoto N*.
No association between passive material property and cross-sectional area in human hamstring.
Journal of Physical Fitness and Sports Medicine 7(1): 35-40, 2018.

Tayashiki K, Mizuno F, Kanehisa H, Miyamoto N*.
Causal effect of intra-abdominal pressure on maximal voluntary isometric hip extension torque.
European Journal of Applied Physiology 118(1): 93-99, 2018.

Akagi R, Suzuki M, Kawaguchi E, Miyamoto N, Yamada Y, Ema R.
Muscle size-strength relationship including ultrasonographic echo intensity and voluntary activation level of a muscle group.
Archives of Gerontology and Geriatrics 75: 185-190, 2018.

Ema R, Takayama H, Miyamoto N, Akagi R.
Effect of prolonged vibration to synergistic and antagonistic muscles on the rectus femoris activation during multi-joint exercises.
European Journal of Applied Physiology 117(10): 2109-2118, 2017.

Wakahara T, Ema R, Miyamoto N, Kawakami Y.
Inter- and intra-muscular differences in training-induced hypertrophy of the quadriceps femoris: Association with muscle activation during the first training session.
Clinical Physiology and Functional Imaging 37(4): 405-412, 2017.

Tayashiki K, Hirata K, Ishida K, Kanehisa H, Miyamoto N*.
Associations of maximal voluntary isometric hip extension torque with muscle size of hamstring and gluteus maximus and intra-abdominal pressure.
European Journal of Applied Physiology 117(6): 1267-1272, 2017.

Hirata K, Kanehisa H, Miyamoto N*.
Acute effect of static stretching on passive stiffness of the human gastrocnemius fascicle measured by ultrasound shear wave elastography.
European Journal of Applied Physiology 117(3): 493-499, 2017.

Takayama F, Hirata K, Nabekura Y, Kanehisa H, Miyamoto N*.
Effects of marathon running on muscle damage in lower limb muscle groups and maximal aerobic capacity in novice recreational runners.
Gazzetta Medica Italiana 176(3): 100-109, 2017.

Miyamoto N*, Hirata K, Kanehisa H.
Effects of hamstring stretching on passive muscle stiffness vary between hip flexion and knee extension maneuvers.
Scandinavian Journal of Medicine and Science in Sports 27(1): 99-106, 2017.

Tayashiki K, Maeo S, Usui S, Miyamoto N, Kanehisa H.
Effect of abdominal bracing training on strength and power of trunk and lower limb muscles.
European Journal of Applied Physiology 116(9): 1703-1713, 2016.

Hirata K, Miyamoto-Mikami E, Kanehisa H, Miyamoto N*.
Muscle-specific acute changes in passive stiffness of human triceps surae after stretching.
European Journal of Applied Physiology 116(5): 911-918, 2016.

Yoshitake Y, Miyamoto N, Taniguchi K, Katayose M, Kanehisa H.
The skin acts to maintain muscle shear modulus.
Ultrasound in Medicine and Biology 42(3): 674–682, 2016.

髙山史徳, 平田浩祐, 森寿仁, 鍋倉賢治, 宮本直和
大学生市民ランナーのマラソンレースが筋損傷指標と有酸素性能力に与える影響
ランニング学研究 27(2): 47-58, 2016.

Miyamoto N*, Hirata K, Kanehisa H, Yoshitake Y.
Validity of measurement of shear modulus by ultrasound shear wave elastography in human pennate muscle.
PLoS One 10(4): e0124311, 2015.

Hirata K, Kanehisa H, Miyamoto-Mikami E, Miyamoto N*.
Evidence for intermuscle difference in slack angle in human triceps surae.
Journal of Biomechanics 48(6): 1210-1213, 2015.

Sugisaki N, Wakahara T, Murata K, Miyamoto N, Kawakami Y, Kanehisa H, Fukunaga T.
Influence of muscle hypertrophy on the moment arm of the triceps brachii muscle.
Journal of Applied Biomechanics 31(2): 111-116, 2015.

Miyamoto N*, Kawakami Y.
No graduated pressure profile in compression stockings still reduces muscle fatigue.
International Journal of Sports Medicine 36(3): 220-225, 2015.

Wakahara T, Ema R, Miyamoto N, Kawakami Y.
Increase in vastus lateralis aponeurosis width induced by resistance training: implications for a hypertrophic model of pennate muscle.
European Journal of Applied Physiology 115(2): 309-316, 2015.

Miyamoto N*, Kawakami Y.
Effect of pressure intensity of compression short-tight on fatigue of thigh muscles.
Medicine and Science in Sports and Exercise 46(11):2168-2174, 2014.

Fukutani A, Takei S, Hirata K, Miyamoto N, Kanehisa H, Kawakami Y.
Influence of the intensity of squat exercises on the subsequent jump performance.
Journal of Strength and Conditioning Research 28(8): 2236-2243, 2014.

Fukutani A, Hirata K, Miyamoto N, Kanehisa H, Yanai T, Kawakami Y.
Effect of conditioning contraction intensity on postactivation potentiation is muscle dependent.
Journal of Electromyography and Kinesiology 24(2): 240-245, 2014.

Fukutani A, Miyamoto N, Kanehisa H, Yanai T, Kawakami Y.
Potentiation of isokinetic torque is velocity-dependent following an isometric conditioning contraction.
SpringerPlus 2: 554, 2013.

Ema R, Wakahara T, Miyamoto N, Kanehisa H, Kawakami Y.
Inhomogeneous architectural changes of the quadriceps femoris induced by resistance training.
European Journal of Applied Physiology 113(11): 2691-2703, 2013.

Miyamoto N*, Wakahara T, Ema R, Kawakami Y.
Nonuniform muscle oxygenation despite uniform neuromuscular activity within the vastus lateralis during fatiguing heavy resistance exercise.
Clinical Physiology and Functional Imaging 33(6): 463-469, 2013.

Miyamoto N*, Wakahara T, Ema R, Kawakami Y.
Further potentiation of dynamic muscle strength after resistance training.
Medicine and Science in Sports and Exercise 45(7): 1323-30, 2013.

Ema R, Wakahara T, Mogi Y, Miyamoto N, Komatsu T, Kanehisa H, Kawakami Y.
In vivo measurement of human rectus femoris architecture by ultrasonography: validity and applicability.
Clinical Physiology and Functional Imaging 33(4): 267-273, 2013.

松本奈々, 宮本直和, 浦中宏典, 丸茂智彦, 谷口耕一, 川上泰雄
大腿部への圧迫が電気刺激による誘発膝関節伸展トルクに及ぼす影響
トレーニング科学 25(1): 55-60, 2013.

樋口貴俊, 永見智行, 宮本直和, 彼末一之
野球打撃前に行う加重したバットでの素振りがバット速度と正確さに及ぼす影響
東京体育学研究 4: 17-22, 2013.

中川剣人, 宮本直和, 村上雄治, 彼末一之
筋痙攣中のM波振幅の低下
東京体育学研究 4: 11-16, 2013.

Miyamoto N*, Kanehisa H, Kawakami Y.
Potentiation of maximal voluntary concentric torque in human quadriceps femoris.
Medicine and Science in Sports and Exercise 44(9): 1738-1746, 2012.

Fukutani A, Miyamoto N, Kanehisa H, Yanai T, Kawakami Y.
Influence of the intensity of a conditioning contraction on the subsequent twitch torque and maximal voluntary concentric torque.
Journal of Electromyography and Kinesiology 22(4): 560-565, 2012.

Miyamoto N*, Wakahara T, Kawakami Y.
Task-dependent inhomogeneous muscle activities within the bi-articular human rectus femoris muscle.
PLoS ONE 7(3): e34269, 2012.

Miyamoto N*, Fukutani A, Yanai T, Kawakami Y.
Twitch potentiation after voluntary contraction and neuromuscular electrical stimulation at various frequencies in human quadriceps femoris.
Muscle and Nerve 45(1): 110-115, 2012.

Wakahara T, Miyamoto N, Sugisaki N, Murata K, Kanehisa H, Kawakami Y, Fukunaga T, Yanai T.
Association between regional differences in muscle activation in one session of resistance exercise and in muscle hypertrophy after resistance training.
European Journal of Applied Physiology 112(4): 1569-1576, 2012.

Miyamoto N*, Yanai T, Kawakami Y.
Twitch potentiation induced by stimulated and voluntary isometric contractions at various torque levels in human knee extensor muscles.
Muscle and Nerve 43(3): 360-366, 2011.

Miyamoto N*, Hirata K, Mitsukawa N, Yanai T, Kawakami K.
Effect of pressure intensity of graduated elastic compression stocking on muscle fatigue following calf-raise exercise.
Journal of Electromyography and Kinesiology 21(2): 249-254, 2011.

Miyamoto N*, Kanehisa H, Fukunaga T, Kawakami Y.
Effect of postactivation potentiation on the maximal voluntary isokinetic concentric torque in humans.
Journal of Strength and Conditioning Research 25(1): 186-192, 2011.

福谷充輝, 宮本直和, 金久博昭, 矢内利政, 川上泰雄
活動後増強を生じさせるためのコンディショニング収縮の時間が最大随意短縮性足関節底屈トルクに与える影響
トレーニング科学 23(1): 31-38, 2011.

Miyamoto N*, Wakahara T, Sugisaki N, Murata K, Kanehisa H, Fukunaga T, Kawakami Y.
Effect of counter-movement on elbow joint extension power-load characteristics.
Journal of Sports Sciences 28(14): 1535-1542, 2010.

Sugisaki N, Wakahara T, Miyamoto N, Murata K, Kanehisa H, Kawakami Y, Fukunaga T.
Influence of muscle anatomical cross-sectional area on the moment arm length of the triceps brachii muscle at the elbow joint.
Journal of Biomechanics 43(14): 2844-2847, 2010.

Mitsukawa N, Sugisaki N, Miyamoto N, Yanai T, Kanehisa H, Fukunaga T, Kawakami Y.
Fatigue-induced changes in synergistic muscle force do not match tendon elongation.
Journal of Biomechanics 43(8): 1632-1634, 2010.

Miyamoto N*, Mitsukawa N, Sugisaki N, Fukunaga T, Kawakami Y.
Joint angle dependence of inter-muscle difference in postactivation potentiation.
Muscle and Nerve 41(4): 519-523, 2010.

Miyamoto N*, Fukunaga T, Kawakami Y.
Evidence for inter-muscle difference in postactivation potentiation in the human triceps surae: A mechanomyographic study.
Muscle and Nerve 39(5): 703-706, 2009.

Murata K, Sugisaki N, Miyamoto N, Wakahara T, Kanehisa H, Kawakami Y, Fukunaga T.
Elastic properties of human in vivo triceps brachii tendon.
International Journal of Sport and Health Science 6: 162-168, 2008.

Miyamoto N, Oda S.
Effect of joint angle on mechanomyographic amplitude during unfused and fused tetani in the human biceps brachii muscle.
European Journal of Applied Physiology 95(2-3): 221-228, 2005.

Miyamoto N, Oda S.
Mechanomyographic and electromyographic responses of the triceps surae during maximal voluntary contractions.
Journal of Electromyography and Kinesiology 13(5): 451-459, 2003.

Oda S, Miyamoto N, Kida N.
Force generation during concurrent hand grip and elbow flexion or extension.
Advances in Exercise and Sports Physiology 6(4): 97-105, 2000.

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宮本 直和（ミヤモト ナオカズ）

宮本直和（ミヤモトナオカズ）