BIOL 030 Lecture Notes - Lecture 9: Loose Connective Tissue, Orbicularis Oris Muscle, Zygomaticus Major Muscle

• School: College of The Sequoias
• Department: Biology (BIOL)
• Course: BIOL 030
• Professor: Dillard

Document Summary

Functions: movement, stability, control of body openings and passages, heat production, glycemic control. Descriptive terms: origin attachment point of the muscle that does not move during muscle contraction, insertion attachment point that moves during contraction, action how the muscle moves joints from anatomical position, innervation specific nerve that controls it. Primary mover muscle that has the main force on a joint. Mastication fig 13. 6: lateral & medial ptyergoids medial gliding of mandible, cn v, masseter closes mandible, cn v, temporalis closes mandible, cn v. Other: tongue cn vii anterior tongue, cn ix posterior tongue, diaphragm inspiration(contraction), phrenic nerve; Neck muscles table 13. 1, fig 13. 1, 13. 2: sternocleidomastoid abducts, rotates and flexes head, cn xi, scalenes flexes and rotates neck, spinal nerve c4-8. Chest table 11. 1, fig 11. 3: pectoralis major & minor flexes, adducts & medially rotates arm, pectoral n, serratus anterior. Back table 11. 1: trapezius extends and abducts head, rotates and adducts scapula, cn xi &