MOTOR UNIT DEFINITIONS - OCR P.E. A-level/AS 5.0 / 5 based on 1 rating ? Physical EducationAnatomy & physiologyASOCR Created by: monicaravirajCreated on: 29-10-18 09:45 Neuron a nerve cell 1 of 8 Axon carries nerve impulse from cell body to the neuromuscular junction 2 of 8 Neuromuscular junction point where motor neurone communicates with muscle fibre across a synapse 3 of 8 Synapse gap between motor neurone and skeletal muscle 4 of 8 Motor End-plate Area of muscle fibre that establishes synaptic contact with motor neurone . 5 of 8 Type 1 muscle fibre slow oxidative - small, low force of contraction over a long period of time 6 of 8 Type 2A muscle fibre fast oxidative glycolytic - force and time is between that of type 1 and 2B 7 of 8 Type 2B muscle fibre fast glycolytic - large, greatest force of contraction over a small period of time 8 of 8
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