Motor unit number estimation of the tibialis anterior muscle in spinal cord injury
β Scribed by Xiong, G-X; Zhang, J-W; Hong, Y; Guan, Y; Guan, H
- Book ID
- 109976635
- Publisher
- Nature Publishing Group
- Year
- 2008
- Tongue
- English
- Weight
- 106 KB
- Volume
- 46
- Category
- Article
- ISSN
- 1362-4393
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π SIMILAR VOLUMES
## Abstract Our first aim was to characterize spontaneous motor unit activity in thenar muscles influenced by chronic cervical spinal cord injury. Thenar surface electromyography (EMG), intramuscular EMG, and abduction and flexion forces were recorded. Subjects were instructed to relax for 2 min. U
Muscle length influences the contractile properties of muscle in that when muscle is lengthened the relaxation phase of the muscle twitch is prolonged and when muscle is shortened, the relaxation phase is shorter in duration. As a result, the force exerted by active motor units varies with muscle le