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Architectural analysis and intraoperative measurements demonstrate the unique design of the multifidus muscle for lumbar spine stability.
BACKGROUND Muscular instability is an important risk factor for lumbar spine injury and chronic low-back pain. Although the lumbar multifidus muscle is considered an important paraspinal muscle, its… Expand
Myofibers Express IL-6 after Eccentric Exercise
- Akihito Tomiya, T. Aizawa, R. Nagatomi, H. Sensui, S. Kokubun
- The American journal of sports medicine
- 1 March 2004
Background Interleukin (IL)-6 is locally produced in skeletal muscles and shows a remarkable increase in plasma after eccentric exercises. Objective To elucidate the cell types in the muscles… Expand
Passive mechanical properties of the lumbar multifidus muscle support its role as a stabilizer.
- S. Ward, Akihito Tomiya, +4 authors R. Lieber
- Medicine, Engineering
- Journal of biomechanics
- 22 July 2009
The purpose of this study was to compare the passive mechanical properties and titin isoform sizes of the multifidus, longissimus, and iliocostalis muscles. Given our knowledge of each muscle's… Expand
Psoas Muscle Architectural Design, In Vivo Sarcomere Length Range, and Passive Tensile Properties Support Its Role as a Lumbar Spine Stabilizer
Study Design. Controlled laboratory and cross-sectional study designs. Objective. To determine psoas major (PM) muscle architectural properties, in vivo sarcomere-length operating range, and passive… Expand
Passive mechanical properties and related proteins change with botulinum neurotoxin A injection of normal skeletal muscle
- Bryan E. Thacker, Akihito Tomiya, +6 authors S. Ward
- Journal of orthopaedic research : official…
- 1 March 2012
The effects of botulinum neurotoxin A on the passive mechanical properties of skeletal muscle have not been investigated, but may have significant impact in the treatment of neuromuscular disorders… Expand
Regional Myosin Heavy Chain Distribution in Selected Paraspinal Muscles
Study Design. Cross-sectional study with repeated measures design. Objective. To compare the myosin heavy-chain isoform distribution within and between paraspinal muscles and to test the theory that… Expand
Effect of Resting Interval for Muscle Regeneration in Mice
- A. Sasaki, T. Aizawa, Akihito Tomiya, Y. Matsubara, S. Kokubun, E. Itoi
- Upsala journal of medical sciences
- 1 January 2007
Background: Muscle tissue has an exceptional ability to regenerate, however, unresting damage to the muscles by intense and frequent exercises occasionally causes prolonged muscle fatigue, soreness,… Expand
Patient trends in orthopedic traumas and related disorders after tsunami caused by the Great East Japan Earthquake: An experience in the primary referral medical center.
- G. Matsuzawa, H. Sano, +10 authors E. Itoi
- Journal of orthopaedic science : official journal…
- 1 July 2016
BACKGROUND In the Great East Japan Earthquake, the Japanese Red Cross Ishinomaki Hospital played an important role as a principal referral center within the Ishinomaki region, one of the most… Expand