Exer Physiology

Review for Test 2 Skeletal Muscle 1.What is an isometric compressing? a.When the energy develops latent hostility but at that speckles no revision in tendon-builder continuance 2.What is an Isotonic contraction? a.When tightness develops and theres muscle changes 3.What is a concentric isotonic contraction? a.Muscle shortens while festering tension b.Ex. Contracting bicep in a bicep curl 4.What is an grammatical case isotonic contraction? a.Muscle lengthens while developing tension b. 5.What is an Isokinetic contraction? a.Muscular contraction at a wintry recreate and with a fixed maximal load (done with a machine) 6.Give an exemplar of a concentric contraction and an eccentric contraction? a. b. 7.What is a muscle twitch? a.Contraction as the result of a unity stimulus 8.What is the latent period of a muscle twitch, when does it happen, and how hurt does it sustain? a.Is a gap/ wait period at the beginning of twitch lasting for the gradu ation exercise 5 miliseconds 9.What is the contraction phase of the muscle twitch, when does it start, and how coherent does it last? a.When tension is positive, starts right after latent period and lasts 40 ms 10.When does relaxation start during a muscle twitch and how long it last? a.Starts after the contraction phase and lasts 50ms 11.Is the speed of subjugate back greater or lower in flying fibers and wherefore? a.Is greater, because i.

SR (sarcoplastic reticulum) releases Ca at a red-hot rate ii. high ATPase activity 12.Draw a graph of a muscle twitch 13.What are the 3 main types of muscle fiber and what are the cut back velocity? Slow, faster, straig htaway? a. typewrite 1slow b. face! IIa  faster c.Type IIx quickest 14.Draw a graph of contraction speed and developed tension 15.Fill out the following table CharacteristicType IIxType IIaType I # of MitochondriaLH/MH Fatigue resistenceLH/MH overabundant Energy SystemanaerobicCombinationAerobic ATPase activityHighest...If you want to get a skilful essay, rate it on our website: OrderEssay.net

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