Abdominal draw-in maneuver changes neuromuscular responses to sudden release from trunk loading in patients with non-specific chronic low back pain |
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| Institution: | 1. Faculty of Health Sciences, Hokkaido University, Sapporo, Japan;2. Division of Rehabilitation, Hokkaido University Hospital, Sapporo, Japan;3. Faculty of Health Science, Hokkaido Chitose College of Rehabilitation, Chitose, Japan;4. Department of Rehabilitation, Fukushima Medical University Aizu Medical Center, Aizuwakamatsu, Japan;5. Rehabilitation Center, NTT East Japan Sapporo Hospital, Sapporo, Japan;1. Department of Orthopaedic Surgery, Ichinomiya Nishi Hospital, Japan;2. Department of Orthopaedic Surgery, Aichi Medical University, Japan;1. Department of Orthopaedic Surgery, Shiga University of Medical Science, Tsukinowa-cho, Seta, Otsu, Shiga, 520-2192, Japan;2. Department of Orthopedic Surgery, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8519, Japan;3. Department of Orthopedic Surgery, Keio University, School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan;4. Department of Orthopedic Surgery, National Hospital Organization Okayama Medical Center, 1711-1 Tamasu, Okayama, Okayama, 701-1154, Japan;5. Department of Orthopedic Surgery, Faculty of Medicine, University of Toyama, 2630 Sugitani, Toyama, Toyama, 930-0194, Japan;6. Department of Orthopedic Surgery, Fujita Health University, 1-98 Dengakugakubo, Kutsukake, Toyoake, Aichi, 470-1192, Japan;7. Department of Orthopedic Surgery, National Hospital Organization Murayama Medical Center, 2-37-1 Gakuen, Musashimurayama, Tokyo, 208-0011, Japan;8. Department of Orthopedic Surgery, Shizuoka City Shimizu Hospital, 1231 Miyakami, Shimizu-ku, Shizuoka, 424-8636, Japan;9. Department of Orthopedic Surgery, Keiyu Hospital, 3-7-3 Minatomirai, Nishi-ku, Yokohama, Kanagawa, 220-0012, Japan;10. Department of Orthopedic Surgery, Hirosaki University Graduate School of Medicine, 53 Honcho, Hirosaki, Aomori, 036-8203, Japan;11. Department of Orthopaedic Surgery, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba, Chiba, 260-0856, Japan;12. Department of Orthopedic Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Hamamatsu, Shizuoka, 431-3125, Japan;13. Department of Orthopedics, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochugi, 329-0498, Japan;14. Department of Orthopedic Surgery, Graduate School of Medicine and Dental Science, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima, Kagoshima, 890-8520, Japan;15. Department of Orthopedic Surgery, University of Yamanashi, 1110 Shimokato, Chuo-ku, Yamanashi, 409-3898, Japan;p. Department of Orthopedic Surgery, Surgical Science, Tokai University School of Medicine, 143 Shimokasuya, Isehara, Kanagawa, 259-1143, Japan;q. Department of Orthopedic Surgery, Niigata University Medicine and Dental General Hospital, 1-754 Asahimachidori, Chuo-ku, Niigata, Niigata, 951-8520, Japan;r. Department of Orthopedic Surgery, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aobaku, Sendai, Miyagi, 981-8558, Japan;s. Department of Orthopaedic Surgery, Tohoku University School of Medicine, 1-1 Seiryomachi, Aoba-ku, Sendai, Miyagi, 980-8574, Japan;t. Department of Orthopedic Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumaicho, Showa-ku, Nagoya, Aichi, 466-0065, Japan;u. Department of Orthopedic Surgery, Graduate School of Medicine, Kyoto University, 54 Kawaharacho, Shogoin, Sakyo-ku, Kyoto, Kyoto, 606-8507, Japan;v. Department of Orthopedic Surgery, Faculty of Medicine, University of Tsukuba, 2-1-1 Amakubo, Tsukuba, Ibaraki, 305-8576, Japan;w. Japanese Organization of the Study for Ossification of Spinal Ligament (JOSL), 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8519, Japan;1. Department of Physical and Rehabilitation Medicine, Advanced Medical Professional Training Course, Osaka Medical College Graduate School of Medicine Department of Rehabilitation, Japan;2. Osaka Medical College Hospital, Japan;3. School of Health Science and Medical Care, Meiji University of Integrative Medicine, Japan;4. Department of Physical and Rehabilitation Medicine, Division of Comprehensive Medicine, Osaka Medical College, 569-8686, Japan;1. Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, Japan;2. Department of Orthopaedic Surgery, Osaka Women''s and Children''s Hospital, Japan;3. Department of Orthopaedic Biomaterial Science, Osaka University Graduate School of Medicine, Japan;1. Department of Orthopedic Surgery, Niigata University, Medical and Dental General Hospital, 1-757 Asahimachidori, Chuoku, Niigata City, Niigata, 951-8510, Japan;2. Spine Center, Department of Orthopedic Surgery, Niigata Central Hospital, 1-18 Shinko-cho, Chuoku, Niigata City, Niigata, 950-8556, Japan;3. Department of Orthopedic Surgery, Niigata Minami Hospital, 2007-6 Toyano, Chuoku, Niigata City, Niigata, 950-8601, Japan;4. Department of Orthopedic Surgery, Niigata City General Hospital, 463-7 Shumoku, Chuoku, Niigata City, Niigata, 950-1197, Japan;5. Department of Orthopedic Surgery, Uonuma Institute of Community Medicine, Niigata University Medical and Dental Hospital, 4132 Urasa, Minami-uonuma City, Niigata, 949-7302, Japan |
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| Abstract: | BackgroundAbdominal draw-in maneuver (ADIM) has been recommended to achieve appropriate trunk muscle response for patients with non-specific chronic low back pain (CLBP). However, it has remained unclear whether the intervention with ADIM could change the trunk muscle response to sudden release from loading, which is considered to contribute mechanical circumstances to low back pain. The purpose of the present study was to investigate the effects of the intervention with ADIM on electromyography (EMG) activities of trunk muscles following sudden release from loading.MethodsSeventeen subjects with non-specific CLBP participated. Subjects resisted trunk flexion or extension loading in semi-seated position, and then the loading was suddenly released. EMG recordings of 6 trunk muscles were acquired using a wireless surface EMG system. Onset and offset times were calculated from the EMG data. The intervention with ADIM was provided for 4 weeks. The onset and offset times were compared between pre- and post-intervention with ADIM.ResultsAt the post-intervention, the onset of trunk flexors following release from trunk flexion loading became significantly earlier than pre-intervention (P = 0.028). The offset of flexors following release from trunk extension loading of post-intervention was significantly earlier than that of pre-intervention (P = 0.001).ConclusionsWe showed that the intervention with ADIM changed the EMG activity of trunk flexors in response to sudden release from loading. These results suggest a possibility that ADIM might be effective to improve the neuromuscular control of trunk flexors for the treatment of young patients with non-specific CLBP. |
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