교각운동 시 복부 드로잉-인 방법이 요부 전만과 체간 및 하지의 근 활성도에 미치는 영향

• Published in: Han'guk Chŏnmun Mulli Ch'iryo Hakhoe chi = Journal of the Korean Academy of University Trained Physical Therapists Vol. 16; no. 1; pp. 1 - 9
• Main Authors: 김은옥, Eun Ok Kim, 김택훈, Tack Hoon Kim, 노정석, Jung Suk Roh, 신헌석, Heon Seock Cynn, 최흥식, Houng Sik Choi, 오동식, Dong Sik Oh
• Format: Journal Article
• Language: Korean
• Published: 한국전문물리치료학회 19.02.2009; Korean Academy Of University Trained Physical Therapy
• Subjects: Abdominal drawing-in maneuver; Bridging exercise; Lumbar Lordosis; Muscle activity; 물리치료학; Abdominal drawing-in maneuver; Lumbar lordosis; Bridging exercise; Muscle activity
• ISSN: 1225-8962; 2287-982X

An abdominal drawing-in maneuver (ADIM) with a pressure biofeedback unit can be used to prevent excessive lumbar lordosis during bridging exercise. Therefore, in this research, the effects of an ADIM on lumbar lordosis and lower extremity muscle activity during bridging exercise were investigated in thirty healthy adults. Surface electromyography (EMG) and VICON system were used to collect kinematic data and muscle activity, respectively. A paired t-test was used to determine a statistical significance. The results showed as follows: (1) When performing bridging exercise with an ADIM, the height of the anterior superior iliac spine and greater trochanter decreased significantly (p<.05). (2) When performing bridging exercise with an ADIM, the trunk extension angle and pelvic angle increased significantly (p<.05). (3) When performing bridging exercise with an ADIM, the EMG signal amplitude increased significantly in the rectus abdominis, internal oblique abdominis, external oblique abdominis, medial hamstring, and lateral hamstring (p<.05). (4) When performing bridging exercise with an ADIM, the EMG signal amplitude decreased significantly in the erector spinae (p<.05). From the result of this research, an ADIM trained with pressure biofeedback unit during bridging exercise is effective to prevent excessive contraction of erector spinae, to limit excessive motion of pelvis from sagittal plane and to increase muscle activity of abdominal muscles and hamstring muscle.