2. Masaki M, Aoyama T, Murakami T, et al. Association of low back pain with muscle stiffness and muscle mass of the lumbar back muscles, and sagittal spinal alignment in young and middle-aged medical workers. Clin Biomech. 2017; 49:128–133.
3. Kuo WH, Jian DW, Wang TG, et al. Neck muscle stiffness quantified by sonoelastography is correlated with body mass index and chronic neck pain symptoms. Ultrasound Med Biol. 2023; 39(8): 1356–1361.
6. Malliaras P, Cook JL, Kent P. Reduced ankle dorsiflexion range may increase the risk of patellar tendon injury among volleyball players. J Sci Med Sport. 2006; 9(4): 304–309.
7. Witvrouw E, Mahieu N, Danneels L, et al. Stretching and injury prevention: an obscure relationship. Sports Med. 2004; 34:443–449.
8. Watsford ML, Murphy AJ, McLachlan KA, et al. A prospective study of the relationship between lower body stiffness and hamstring injury in professional Australian rules footballers. Am J Sports Med. 2010; 38(10): 2058–2064.
9. Kubo K, Tabata T, Ikebukuro T, et al. Effects of mechanical properties of muscle and tendon on performance in long distance runners. Eur J Appl Physiol. 2010; 110:507–514.
10. Morales‐Artacho AJ, Lacourpaille L, Guilhem G. Effects of warm‐up on hamstring muscles stiffness: Cycling vs foam rolling. Scand J Med Sci Sports. 2017; 27(12): 1959–1969.
11. Fouré A, Nordez A, Cornu C. Plyometric training effects on Achilles tendon stiffness and dissipative properties. J Appl Physiol. 2010; 109(3): 849–854.
12. Seon SY, Park BJ, Lee KJ, et al. The Effect of Stiffness of Lower Extremity Soft Tissue on the Sports Performance of K-7 League Soccer Players: A Pilot Study. Exerc Sci. 2022; 31(4): 452–458.
14. Seon SY, An KO, Lee KJ, et al. Effects of Dynamic Warm-up Programs Including Self-Myofascial Relexation on Soft Tissue Stiffness and Exercise Performance. Exerc Sci. 2022; 31(2): 222–229.
16. Richman ED, Tyo BM, Nicks CR. Combined effects of self-myofascial release and dynamic stretching on range of motion, jump, sprint, and agility performance. J Strength Cond Res. 2019; 33(7): 1795–1803.
18. Fouré A, Cornu C, McNair PJ, et al. Gender differences in both active and passive parts of the plantar flexors series elastic component stiffness and geometrical parameters of the muscle-tendon complex. J Orthop Res. 2012; 30(5): 707–712.
19. Aird L, Samuel D, Stokes M. Quadriceps muscle tone, elasticity and stiffness in older males: reliability and symmetry using the MyotonPRO. Arch Gerontol Geriatr. 2012; 55(2): e31–e39.
20. Orner S, Kratzer W, Schmidberger J, et al. Quantitative tissue parameters of Achilles tendon and plantar fascia in healthy subjects using a handheld myotonometer. J Bodyw Mov Ther. 2018; 22(1): 105–111.
21. Peacock CA, Krein DD, Silver T A, et al. An acute bout of self-myofascial release in the form of foam rolling improves performance testing. Int J Exerc Sci. 2014; 7(3): 202.
22. Richman ED, Tyo B, Nicks CR. Combined effects of self-myofascial release and dynamic stretching on range of motion, jump, sprint, and agility performance. J Strength Cond Res. 2019; 33(7): 1795–1803.
24. MacDonald G. Z., Penney M. D., Mullaley M. E., et al. An acute bout of self-myofascial release increases range of motion without a subsequent decrease in muscle activation or force. J Strength Cond Res. 2013; 27(3): 812–821.
27. Behm DG, Wilke J. Do self-myofascial release devices release myofascia? Rolling mechanisms: a narrative review. Sports Med. 2019; 49(8): 1173–1181.