PHPY 302 Study Guide - Midterm Guide: Epimysium, Perimysium, Sarcomere

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Steve hall mon oct 17 22:14:50 pdt 2016. Increase in cytosolic calcium leads to muscle contraction. Initiation of muscle contraction requires 2 things increase in cytosolic ca2+; hydrolysis of atp. Muscle term for cell mb sarcolemma muscle term for cytoplasm sarcoplasm muscle term for endoplasmic retic sarcoplasmic retic antagonistic muscles groups of musc that move bones in opposite directions. Exion moves bones closer together extension moves bones away from each other. 1 sarcomere alpha actinin is attached to z diskcs thin laments are made up of actin thick laments are made up of myosin. A band consists of thick and thin laments + h band with only thick. Voluntary movement of skel musc begins where? primary motor cortex voluntary movement begins with what type of neurons? upper motor synapse of upper motor neurons is where? ventral horn of spinal cord. No stimulus can trigger another ap during what period? absolute refractory.