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Structure of skeletal muscle Attachment sites (origin/insertion) Components Classes Prime mover/agonist Antagonist Synergist Fixators/stabalizers Pathway from brain to muscles Review structure lists! Actions Insertions Innervations Joint(s) crossed Review structure lists! Actions Insertions Innervations Joint(s) crossed Triangle of Ausculation Rotator cuff “Lady between 2 Majors” Quadrangular and triangular space, triangular interval Review structure lists! Actions Insertions Innervations Joint(s) crossed Review structure lists! Actions Insertions Innervations Joint(s) crossed Carpal tunnel Anatomical Tennis Little snuffbox elbow league elbow Review structure lists! Actions Insertions Innervations Joint(s) crossed Plasma membrane structure Specialized Functions structures Passive Active transport transport Initial set-up ◦ RMP and it’s maintenance Definitions Sequence Graded of events potential vs. Action potential All-or-none What are they? Microscopic muscle anatomy Elements Cycle Motor unit Muslce twitch/response Types of contractions Anaerobic Aerobic respiration respiration Summary of E produced Muscles Spinal Cells of deep back/abs/LE cord/plexus anatomy and synapses of NS Reflexes Bilateral contraction of which of the following muscles will result in flexion of the head? ◦ A) levator scapulae ◦ B) Sternocleidomastoid ◦ C) Trapezius ◦ D) Subclavius ◦ E) Rhomboid major Resting membrane potential is: ◦ A) a state of electrical neutrality ◦ B) 70mV ◦ C) -70mV ◦ D) 40mV 1 sarcomere runs from: ◦ A) Z line to Zline ◦ B) A band to A band ◦ C) Z line to M line ◦ D) H zone to I band Skeletal muscle is defined as an excitable tissue because it can: ◦ A) conduct an action potential ◦ B) produce movement ◦ C) contract ◦ D) generate heat The anterior arm is innervated by: ◦ A) The median nerve ◦ B) The musculocutaneous nerve ◦ C) The radial nerve ◦ D) The ulnar nerve Simple diffusion of molecules: ◦ A) is driven by pressure changes ◦ B) is movement from an area of low concentration to high concentration ◦ C) Requires the presence of a channel protein ◦ D) occurs without the input of energy _______ are located in the brain. ◦ A) lower motor neurons ◦ B) upper motor neurons ◦ C) spinal nerves ◦ D) pyramidal tracts Who causes a shift in the troponin complex on tropomyosin? ◦ A) O2 ◦ B) NADH ◦ C) Ca2+ ◦ D) ATP ◦ E) FADH