Effects intense 'stretching'-flexibility training on the mechanical profile of the knee extensors and on the range of motion of the hip joint

T. Hortobagyi, J. Faludi, J. Tihanyi, B. Merkely

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

The sample for the study involved 12 volunteer male, active but not specially trained secondary school students. They averaged 15.33 years with a mean height of 168.20 cm, and a mean mass of 55.08 kg. Changes, if any, in the mechanical properties (MVC, half-relaxation time, fast isometric contraction, concentric contraction of the knee extensors) and flexibility of the hip joints were studied. The subjects executed passive, purely slow stretching as well as range-of-motion flexibility exercises for the knee extensors and the hip joints for 7 weeks three times a week. Pre- and post-measurements for flexibility and stride frequency on the spot showed significant improvement as did half-relaxation time, fast isometric force development, and speed of concentric contractions when low loads were to be overcome. In addition to studies in which improvements reported were attributed to and related to myoelectrical, reflex, and connective tissue changes, in the present study it was concluded that stretching excercises influence intrinsic muscle mechanical character along with a simultaneous improvement in range of motion of the joints exercised.

Original languageEnglish
Pages (from-to)317-321
Number of pages5
JournalInternational Journal of Sports Medicine
Volume6
Issue number6
Publication statusPublished - 1985

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Hip Joint
Articular Range of Motion
Knee
Isometric Contraction
Connective Tissue
Reflex
Volunteers
Exercise
Students
Muscles

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Public Health, Environmental and Occupational Health
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

Effects intense 'stretching'-flexibility training on the mechanical profile of the knee extensors and on the range of motion of the hip joint. / Hortobagyi, T.; Faludi, J.; Tihanyi, J.; Merkely, B.

In: International Journal of Sports Medicine, Vol. 6, No. 6, 1985, p. 317-321.

Research output: Contribution to journalArticle

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