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Muscle Tissues (5)
Anatomy and Physiology
| Question | Answer |
|---|---|
| 4 Functions of Muscle | Producing Movement, Maintaining Posture, Stabilizing Joint, Generrating Heat |
| Producing Movement | Locomotion, external environment, internal body channels (Urine, Bile, Food, Baby) |
| Maintaining Posture | maintain an erect/seated posture |
| Stabilizing Joint | Reinforcing/ stabilizing joints |
| Generating Heat | Contraction, Normal body temperature, 40% of bodyis muscle |
| Types of Muscle Tissue | Skeletal, Cardiac, Smooth |
| Skeletal | Attached to bone, some facial bone, to skin, Voluntary - Nervous system |
| Cardiac | Walls around heart, Branching chains to cells, Involuntary - heat pacemaker |
| Smooth | Walls of Virceral Organ, Single fusiform, Involuntary - Chemical Stretch |
| Common body movement | Flexion, Extension, Rotation, Abduction, Adduction, Circumduction |
| Flexion | Sagittal plane, Hinge joint, Ball and socket |
| Extension | Increase angle, Hyperextension is x>180 |
| Rotation | Longitudinal axis, ball and socket, shaking head "No" |
| Abduction | Frontal plane/ Median, Fanning fingers/toes |
| Adduction | Toward Midline, opposite abduction |
| Circumduction | Combo of all others, ball and socket, proximal - stationary, distal - moves, while outline of core |
| Origin | stationary bone |
| Insertion | moveable part of the bone |
| Pectoralis Major | Rotates arm at shoulder, Flexes/ extend arm at shoulder |
| Prctoralis Minor | Rotates scapula, Elevates ribs during forced inhalaion |
| Deltoid | Full range of motion at shoulder |
| Latissimus Dorsi | Should rotation, Draw arms downward and backward |
| Gluteus Maximus | Rotates thigh at hip |
| Trapezius | Movement/ rotation of scapula |
| Rectus Abdominus | Rect - straight, parallel to midline, compresses abdomen - to aid in defecation, urination, forced exhalation, and childbirth |
| External Oblique | Both sides, one side bends vertebral column laterally |
| Transverse Abdominus | Across - Perpendicular to midline) Compress Abdomen |
| Diaphragm | Breathing contraction/ relaxation, changes volume of thoracic cavity resulting in inhaling and exhaling |
| External Intercostals | Inhaling |
| Internal Intercostals | Exhaling |
| Biceps Brachi | Flexes/raises forearms |
| Triceps Brachi | Extends forearms |
| Brachioradialis | Involoves flexing forarm below elbow |
Created by:
chgolynne
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