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정상인에 적용한 PNF 하지 패턴이 반대측 하지의 선택적 근수축에 미치는 영향

Effect of PNF Lower Extremity Pattern on Selective Muscle Contraction of the Contralateral Lower Extremity in Healthy Subjects

PNF and Movement 2020년 18권 2호 p.255 ~ 263
강태욱, 정주현,
소속 상세정보
강태욱 ( Kang Tae-Wook ) - Walk Rehabilitaton Hospital Department of Physical Therapy
정주현 ( Jung Ju-Hyeon ) - Gimhae College Department of Physical Therapy

Abstract


Purpose: The purpose of this study was to investigate the effect of proprioceptive neuromuscular facilitation (PNF) lower extremity pattern on the dominant leg on muscle activity of the lower extremity supported by the ground.

Methods: The subjects were 20 healthy males living in Busan. All subjects performed four direction PNF lower extremity patterns, and data were collected by surface electromyography from the gluteus medius (GM), tensor fascia latae (TFL), vastus medialis oblique (VMO), vastus lateralis oblique (VLO), and semitendinosus (STD) muscles of the opposite lower extremity during PNF lower extremity pattern. The PNF lower extremity pattern applied to the dominant leg was (1) flexion/adduction/external rotation with knee flexion; (2) extension/abduction/internal rotation with knee extension; (3) flexion/abduction/internal rotation with knee flexion; and (4) extension/adduction/external rotation with knee extension pattern, repeated 3 times per pattern and using the average value of the collected results. Collected muscle activity values were analyzed by one-way ANOVA, and post-hoc Tukey testing was performed to check between-group differences. The statistical significance level was set at α = 0.05.

Results: GM and TFL flexion/abduction/internal rotation pattern with knee flexion was significantly higher than other patterns. VMO and VLO extension/adduction/external rotation pattern with knee extension was significantly higher than other patterns. STD flexion/adduction/external rotation pattern with knee flexion was significantly higher than other patterns.

Conclusion: The study confirms differences in lower extremity muscle activity for the PNF lower extremity pattern, indicating that selective muscle contraction induction is possible using a pattern appropriate to the purpose of treatment.

키워드

PNF; Lower extremity pattern; Contralateral effect; Electromyography

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