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Comparison of Knee Muscle Strength and Endurance of Affected Legs of Korean Women Diagnosed with Kellgren-Lawrence grade (K-L II) by Age

  • Journal of the Korean Society of Physical Medicine
  • Abbr : J Korean Soc Phys Med
  • 2019, 14(4), pp.1-8
  • DOI : 10.13066/kspm.2019.14.4.1
  • Publisher : The Korean Society of Physical Medicine
  • Research Area : Medicine and Pharmacy > Physical Therapy > Other physical therapy
  • Received : July 8, 2019
  • Accepted : August 31, 2019
  • Published : November 30, 2019

SoungKyun Hong 1 Lee Dong Geon 2 Sun-Hae Song 3 Seung-Hoo Lee 3 Shin Doo Chul 2

1경남대학교 대학원 물리치료학과
2경남대학교
3경남대학교 대학원 물리치료과

Accredited

ABSTRACT

PURPOSE: The purpose of this study was to compare the maximum knee strength and endurance of elderly Korean women with Kellgren-Lawrence grade (K-L II) by age. METHODS: In this study, the total number of participants was 50, divided into five groups of 10 by age. Maximum knee muscle strength was measured at a low speed of 60°/sec using Biodex, an isokinetic device for comparison of maximum knee muscle strength, whereas muscle endurance was measured by muscle contraction at a high speed of 180°/sec. The peak torque values of the extensor and flexor muscles in the muscle strength and muscle endurance tests were collected according to each classification. RESULTS: The results of the experiment show that maximum muscle strength and muscle endurance decreased significantly at 60°/sec and 180°/sec during flexion and extension according to age (p<.05). In particular, the age group of 71 to 75 years showed the most significant correlation with other age groups (p<.05). CONCLUSION: The results of this study can be used as basic data for increasing physical activity and muscle strength in women with knee osteoarthritis.

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