Lab 11 Review Q's - Nervous System, Reflex Actions, Motor Learning

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Biomedical Physio & Kines
BPK 142
Craig Asmundson

Lab Review Questions Part II1 LAB 11NERVOUS SYSTEM ANATOMY REFLEX ACTIONS AND MOTOR LEARNINGBriefly describe the muscle groups innervated by each of the somatic nerves listedMedian nervemost flexors in the forearm Musculoskeletal nervebiceps brachii brachialis coracobrachialisUlnar nerveflexor digitorum profudus pinky finger and ring finger flexor carpi ulnarisRadial nervetriceps brachii anconeus brachioradialis extensor carpi radialis longusFemoral nerveanterior compartment of thighSciatic nervelateral rotator group except piriformis and quadratus femoris posterior compartment of thighTibial nervemedial abductor halluces flexor digitorum brevis flexor halluces brevis first lumbricalCommon peroneal nerveanterior compartment of leg lateral compartment of leg extensor digitorum brevisWhat effects would you expect from an injury that severs the spinal cord at the C5 vertebra Respiratory function ceases and person will die if they dont receive medical attentionHow many spinal nerves and vertebrae are there What is the anatomical relationship between them 31 pairs of spinal nerves that are grouped according to where they leave the vertebral column 8 pairs of cervical nerves C1C812 pairs of thoracic nerves T1T125 pairs of lumbar nerves L1L55 pairs of sacral nerves S1S5 1 pair of coccygeal nerves Co1 33 vertebrae7 cervical 12 thoracic 5 lumbar 5 fuse to form sacrum 4 coccygeal which form tailboneDescribe the location of the spinal cord What are the cervical and lumbar enlargements The spinal cord is located inside the neural canal of the vertebral column The spinal cord is enlarged in 2 regions for innervation of the limbs 1 Cervical enlargement extends from C4 through T1 segments and is where sensory input comes from and motor output goes to the arms
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