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Rosalinda Ordonez
axial and appendicular muscles
| Question | Answer |
|---|---|
| Draws scapula forward and downward. | pectoralis action |
| Unilaterally: lateral flexion of the spine, elevation of pelvis Bilaterally: Devpressess the 12th rib at the costospinal joints | serratus anterior action |
| upward rotation and elevation of the scapula | Trapezius action |
| elevation of the scapula | levator scapulae action |
| retraction of the scapula downward rotation of the scapula | Rhomboideus minor action |
| end of muscle that is fixed during contraction | origin |
| end of muscle that undergoes movement during contraction | insertion |
| nerve penetration of muscle | innervation |
| muscle responsible for performing the bulk of the movement | agonist |
| the muscle that assist the agonist muscle in performing particular movements | synergist |