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앉은 자세에서 일어서기 동작 시 발 위치에 따른 몸통과 하지근육의 근활성 순서 변화
임수기,최종환,현경준,김태민,황성수 국제PNF한국학회 2014 국제PNF한국학회지 Vol.1 No.1
본 연구의 목적은 앉은 자세에서 일서는 동작 동안 발 위치에 따른 하지와 체간의 근육 활성 순서의 변화를 조사하는 것이다. 연구 대상자는 20명의 남자 대학생으로 3가지 발 위치(슬관절 85도, 100도, 115도) 따라 6개의 근육(척추 기립근, 대둔근, 외측광근, 슬괵근, 전경골근, 가자미근)의 활성 순서를 EMG를 사용하여 측정하였다. 연구 결과, 한쪽 발이 앞으로 나온 자세와 뒤에 있는 자세간 근 활성도에 통계학적으로 유의한 차이가 있었고, 또한 한쪽 발이 뒤에 있는 자세에서 근활성화 순서는 한쪽 발이 앞에 있거나 중립 위치에 있을 경우 보다 감소 되었다. 이러한 결과는 발 위치에 따라 앉은 자세에서 일어서기시 근활성도 순서에 변화가 있다는 것을 제안한다. 이러한 사실이 편마비 환자의 앉은 자세에서 일어서기 훈련 시 도움을 줄수 있다고 생각한다. The purpose of this study was to investigate changes in trunk and leg part muscles activation time associated with foot position during a sit to stand movement. Twenty subjects (male=20) were measured. The activation of six muscles(Erector spinae; Gluteus maximus; Vastus lateralis; Hamstring; Tibialis anterior; Gastrocnemius) was measured by sur- face EMG(The Trigno Wireless EMG System, Delsys Inc., USA) during a sit to stand movement under three different foot positions(knee flexion of 85, 100, or 115 degrees). As a result, when subjects were performed sit to stand movement with change of foot posi- tion, between one foot front position(knee flexion 85 degree) and one foot back position(knee flexion 115 degree) showd statistically significant difference. Also, the order of muscle activation time in one foot back foot position was decreased than one foot front position and two foot neutral position.These findings suggest that muscle activation time during a sit to stand movement differs depending on foot position. We believe that these differences should be used when training of sit to stand movement for hemiplegia patients.
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불안정 지면에서 복합 균형 운동이 무릎 전치환술 환자의 기능적 능력과 일상생활능력에 미치는 영향
임수기,유원종 대한물리치료과학회 2021 대한물리치료과학회지 Vol.28 No.3
Purpose: Patients with total knee arthroplasty (TKA) have impaired balance and movement control. Exercise interventions have not targeted these impairments in this population. This study aimed to investigate the effect of complex balance exercises on unstable ground, on the gait, balance, and daily living ability of patients with total knee arthroplasty.Design: Randomized controlled trial. Methods: The participants consisted of 30 patients placed into two groups of 15 each: a experimental group (complex balance exercise) and a control group (physical therapy exercise). Both group exercise was applied for 3 times a week for 30 minutes for four weeks. Force plate for balance ability and Timed up and go (TUG) test were the primary outcome measures. The secondary outcome measures included 10-m walk test (10MWT) and the daily living ability using the Knee Outcome Survey Activities of Daily Living scale (KOS-ADL). Results: The result of this study showed that the experimental group had a significant difference in TUG and 10MWT than the control group, and balance was significantly different in CEA, CPL, and CAV. There was a significant difference in daily living ability between the experimental and control groups. This study confirms that the physical therapy with complex balance exercise on unstable surfaces has positive effects on balance, gait and daily living ability in patients with total knee arthroplasty. Conclusion: As a result of this study, complex balance exercise on unstable surface was more effective in improvement gait, balance and daily living ability in total knee arthroplasty. From this study, physical therapy with complex balance exercises on unstable ground may be proposed as and effective intervention method for improving gait, balance, and daily living ability in patients with early total knee arthroplasty.
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