PSIO 201 Lecture Notes - Lecture 3: Acetylcholinesterase, Vasodilation, Quadriceps Femoris Muscle
27 Aug 2018
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Insertion: the place where the muscle ends on a bone, move towards the origin: extension is the full 180 , flexing is a decreased angle, muscle action. Insertion moves towards the origin: flexing the forearm, bicep curl, biceps brachii muscle, decrease the angle at the elbow, origin: scapula. Insertion: radius: types of body movements, guidelines. L=face, f=mastoid process, e= neck muscles: second class levers (fle) Learning activities: demonstrate different muscle actions (standing up from chair, bicep curl, pull-ups, seated leg extension, draw diagram of three classes of levers. Plasma membrane (sarcolemma: surrounds cytoplasm, transverse tubules (t-tubules) arise from sarcolemma, control, 2. Sarcoplasmic reticulum (smooth er) stores ca: proximity to t-tubules . pro(cid:454)i(cid:373)it(cid:455) allows opening of ca channels, surrounds myofibrils, triad is the t tubule and terminal cisterns, contraction, 3. Just the thin filaments: titin connect z disc and thick filament.
