ANP 1106 Midterm: MIDTERM 2 REVIEW

• School: University of Ottawa
• Department: Anatomy and Physiology
• Course: ANP 1106
• Professor: Jacqueline Carnegie

Document Summary

Anatomy of the muscular system part i: chapter 9+10. Muscle fiber a single muscle tissue cell. Muscles are attached to bones in 2 places: Most attachments are indirect attachments involving a tendon or aponeurosis (flat sheet of ct) Straplike (sartorius) or fusiform (biceps brachii: parallel, pennate. Muscle is triangular or fan shaped (pectoralis major: circular. Concentric rings surround openings and contract to close openings. There are four functional groups for which muscles can work together or in opposition: prime mover: major responsibility for producing a specific movement. Example: biceps brachii and elbow flexion: antagonist: provides resistance to prevent overshoot or control rate of movement. A single muscle can be a prime mover for one action and an antagonist for another action. Example: biceps brachii and triceps brachii: synergists: muscles that help the prime mover by, promoting same movement, reducing undesirable movements (e. g. finger flexor muscle cross both wrist and phalangeal joints, fixators: immobilizes a bone.