Effects of static stretching on the maximal length and resistance to passive stretch of short hamstring muscles.

  • Gajdosik R
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This project was supported in part by a grant from The Foundation for Physical Therapy, 1111 North Fairfax Street, Alexandria, VA 22314 Foreshortened hamstring muscles have been associated with various clinical disorders. This study examined the effects of three weeks of daily static stretching of short hamstrings on passive straight leg raising (SLR), maximal hamstring length (MHL), and their maximal resistance to passive stretch (MRPS). Twenty-four healthy men (18-37 yrs) with SLR 50 muV) from the hamstrings was observed. The knee angle represented MHL, and MRPS (torque in nm) was calculated. Subjects in the stretching group completed daily static stretching of the hamstrings for three weeks. After three weeks, SIR increased for the stretching group, but not for the control group (< 0.001). The knee angle for the stretching group was less than the control group (p < 0.001), and the MRPS for the stretching group exceeded the control group (p < 0.05). The results indicated that static stretching increased SLR with concomitant increases in the MHL and the MRPS. The results also support using SLR as a valid clinical test for measuring hamstring length changes resulting from therapeutic interventions. J Orthop Sports Phys Ther 1991;14(6):250-255.

Author-supplied keywords

  • 1 1 1 north
  • 1076
  • allied health
  • associate prokssor and chairman
  • electromyography
  • fairfax
  • for physical therapy
  • grant from the foundation
  • hamstring muscles
  • in part by a
  • m t 598 12-
  • missoula
  • passive stretch
  • physical therapy department
  • school of pharmacy and
  • sciences
  • this project was supported
  • university of montana

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  • R L Gajdosik

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