Ando R, Suzuki Y (2019) Positive relationship between passive muscle stiffness and rapid force production. Hum Mov Sci 66:285–291. https://doi.org/10.1016/j.humov.2019.05.002

Article  PubMed  Google Scholar 

Ando R, Sato S, Hirata N, Tanimoto H, Imaizumi N, Suzuki Y, Hirata K, Akagi R (2021) Relationship between drop jump training-induced changes in passive plantar flexor stiffness and explosive performance. Front Physiol 12:777268. https://doi.org/10.3389/fphys.2021.777268

Article  PubMed  PubMed Central  Google Scholar 

Askling CM, Tengvar M, Saartok T, Thorstensson A (2007) Acute first-time hamstring strains during high-speed running: a longitudinal study including clinical and magnetic resonance imaging findings. Am J Sports Med 35(2):197–206. https://doi.org/10.1177/0363546506294679

Article  PubMed  Google Scholar 

Avrillon S, Lacourpaille L, Hug F, Le Sant G, Frey A, Nordez A, Guilhem G (2020) Hamstring muscle elasticity differs in specialized high-performance athletes. Scand J Med Sci Sports 30(1):83–91. https://doi.org/10.1111/sms.13564

Article  PubMed  Google Scholar 

Bercoff J, Tanter M, Fink M (2004) Supersonic shear imaging: a new technique for soft tissue elasticity mapping. IEEE Trans Ultrason Ferroelectr Freq Control 51(4):396–409

Article  PubMed  Google Scholar 

Bosquet L, Berryman N, Dupuy O, Mekary S, Arvisais D, Bherer L, Mujika I (2013) Effect of training cessation on muscular performance: a meta-analysis. Scand J Med Sci Sports 23(3):e140-149. https://doi.org/10.1111/sms.12047

Article  CAS  PubMed  Google Scholar 

Buckthorpe M, Wright S, Bruce-Low S, Nanni G, Sturdy T, Gross AS, Bowen L, Styles B, Della Villa S, Davison M, Gimpel M (2019) Recommendations for hamstring injury prevention in elite football: translating research into practice. Br J Sports Med 53(7):449–456. https://doi.org/10.1136/bjsports-2018-099616

Article  PubMed  Google Scholar 

Chodock E, Hahn J, Setlock CA, Lipps DB (2020) Identifying predictors of upper extremity muscle elasticity with healthy aging. J Biomech 103:109687. https://doi.org/10.1016/j.jbiomech.2020.109687

Article  PubMed  PubMed Central  Google Scholar 

Diamant J, Keller A, Baer E, Litt M, Arridge RG (1972) Collagen; ultrastructure and its relation to mechanical properties as a function of ageing. Proc R Soc Lond B Biol Sci 180(1060):293–315

Article  CAS  PubMed  Google Scholar 

Ducomps C, Mauriege P, Darche B, Combes S, Lebas F, Doutreloux JP (2003) Effects of jump training on passive mechanical stress and stiffness in rabbit skeletal muscle: role of collagen. Acta Physiol Scand 178(3):215–224. https://doi.org/10.1046/j.1365-201X.2003.01109.x

Article  CAS  PubMed  Google Scholar 

Eby SF, Song P, Chen S, Chen Q, Greenleaf JF, An KN (2013) Validation of shear wave elastography in skeletal muscle. J Biomech 46(14):2381–2387. https://doi.org/10.1016/j.jbiomech.2013.07.033

Article  PubMed  Google Scholar 

Ema R (2022) Association between elastography-assessed muscle mechanical properties and high-speed dynamic performance. Eur J Sport Sci 23(7):1233–1239. https://doi.org/10.1080/17461391.2022.2097129

Article  PubMed  Google Scholar 

Ema R, Wakahara T, Miyamoto N, Kanehisa H, Kawakami Y (2013) Inhomogeneous architectural changes of the quadriceps femoris induced by resistance training. Eur J Appl Physiol 113(11):2691–2703. https://doi.org/10.1007/s00421-013-2700-1

Article  PubMed  Google Scholar 

Franchi M, Fini M, Quaranta M, De Pasquale V, Raspanti M, Giavaresi G, Ottani V, Ruggeri A (2007a) Crimp morphology in relaxed and stretched rat achilles tendon. J Anat 210(1):1–7. https://doi.org/10.1111/j.1469-7580.2006.00666.x

Article  PubMed  PubMed Central  Google Scholar 

Franchi M, Trire A, Quaranta M, Orsini E, Ottani V (2007b) Collagen structure of tendon relates to function. ScientificWorldJournal 7:404–420. https://doi.org/10.1100/tsw.2007.92

Article  CAS  PubMed  PubMed Central  Google Scholar 

Gajdosik RL (2001) Passive extensibility of skeletal muscle: review of the literature with clinical implications. Clin Biomech (bristol, Avon) 16(2):87–101

Article  CAS  PubMed  Google Scholar 

Gillies AR, Lieber RL (2011) Structure and function of the skeletal muscle extracellular matrix. Muscle Nerve 44(3):318–331. https://doi.org/10.1002/mus.22094

Article  CAS  PubMed  PubMed Central  Google Scholar 

Green B, Bourne MN, van Dyk N, Pizzari T (2020) Recalibrating the risk of hamstring strain injury (HSI): A 2020 systematic review and meta-analysis of risk factors for index and recurrent hamstring strain injury in sport. Br J Sports Med 54(18):1081–1088. https://doi.org/10.1136/bjsports-2019-100983

Article  PubMed  Google Scholar 

Hirata K, Miyamoto-Mikami E, Kanehisa H, Miyamoto N (2016) Muscle-specific acute changes in passive stiffness of human triceps surae after stretching. Eur J Appl Physiol 116(5):911–918. https://doi.org/10.1007/s00421-016-3349-3

Article  PubMed  Google Scholar 

Hirata K, Kanehisa H, Miyamoto N (2017) Acute effect of static stretching on passive stiffness of the human gastrocnemius fascicle measured by ultrasound shear wave elastography. Eur J Appl Physiol 117(3):493–499. https://doi.org/10.1007/s00421-017-3550-z

Article  PubMed  Google Scholar 

Hirata K, Miyamoto-Mikami E, Kimura N, Miyamoto N (2018) No association between passive material property and cross-sectional area in human hamstring. J Phys Fitness Sports Med 7(1):35–40

Article  Google Scholar 

Hirata K, Yamadera R, Akagi R (2020) Can static stretching reduce stiffness of the triceps surae in older men? Med Sci Sports Exerc 52(3):673–679. https://doi.org/10.1249/MSS.0000000000002186

Article  PubMed  Google Scholar 

Ichihashi N, Umegaki H, Ikezoe T, Nakamura M, Nishishita S, Fujita K, Umehara J, Nakao S, Ibuki S (2016) The effects of a 4-week static stretching programme on the individual muscles comprising the hamstrings. J Sports Sci 34(23):2155–2159. https://doi.org/10.1080/02640414.2016.1172725

Article  PubMed  Google Scholar 

Kawama R, Yanase K, Hojo T, Wakahara T (2022) Acute changes in passive stiffness of the individual hamstring muscles induced by resistance exercise: effects of contraction mode and range of motion. Eur J Appl Physiol 122(9):2071–2083. https://doi.org/10.1007/s00421-022-04976-6

Article  PubMed  Google Scholar 

Koulouris G, Connell DA, Brukner P, Schneider-Kolsky M (2007) Magnetic resonance imaging parameters for assessing risk of recurrent hamstring injuries in elite athletes. Am J Sports Med 35(9):1500–1506. https://doi.org/10.1177/0363546507301258

Article  PubMed  Google Scholar 

Kumagai H, Miyamoto-Mikami E, Hirata K, Kikuchi N, Kamiya N, Hoshikawa S, Zempo H, Naito H, Miyamoto N, Fuku N (2019) ESR1 rs2234693 polymorphism is associated with muscle injury and muscle stiffness. Med Sci Sports Exerc 51(1):19–26. https://doi.org/10.1249/MSS.0000000000001750

Article  CAS  PubMed  Google Scholar 

Magnusson SP, Simonsen EB, Aagaard P, Boesen J, Johannsen F, Kjaer M (1997) Determinants of musculoskeletal flexibility: viscoelastic properties, cross-sectional area, EMG and stretch tolerance. Scand J Med Sci Sports 7(4):195–202

Article  CAS  PubMed  Google Scholar 

Maïsetti O, Hug F, Bouillard K, Nordez A (2012) Characterization of passive elastic properties of the human medial gastrocnemius muscle belly using supersonic shear imaging. J Biomech 45(6):978–984. https://doi.org/10.1016/j.jbiomech.2012.01.009

Article  PubMed  Google Scholar 

Marshall PW, Mannion J, Murphy BA (2009) Extensibility of the hamstrings is best explained by mechanical components of muscle contraction, not behavioral measures in individuals with chronic low back pain. PM R 1(8):709–718. https://doi.org/10.1016/j.pmrj.2009.04.009

Article  PubMed  Google Scholar 

Miyamoto N, Hirata K, Kanehisa H (2017) Effects of hamstring stretching on passive muscle stiffness vary between hip flexion and knee extension maneuvers. Scand J Med Sci Sports 27(1):99–106. https://doi.org/10.1111/sms.12620