Intermittent Hypoxia and Upper Extremity EMG Recordings in Individuals With Spinal Cord Injury

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It has been shown previously that there is an increase in strength in survivors of spinal cord injury after brief bouts of Acute Intermittent Hypoxia. In this study, participants are fitted with a high density EMG electrode on the biceps brachii, and attached to a load cell at the wrist, they are asked to flex and extend their elbow at various levels of intensity. This is performed before and after the 30 minute session of AIH. The investigators hope to identify specific types of motor units of the upper extremity of survivors of spinal cord injury after AIH to help further our understanding of what mechanisms may be causing the known increase in muscle strength post AIH