Across
- 4. aid in the process of breathing
- 6. if only one contracts, rotation of head. if both contract, flexes head and neck forward.
- 7. extends spinal column when you stand up straight after bending over
- 10. rotates an protracts scapula during various arm and shoulder movements
- 11. elevate and abduct corners of the mouth
- 14. retracts and rotates scapulae as when rowing or holding shoulders back
- 15. prevents the dislocation of the humerus
- 16. adducts and flexes upper arm as when doing push-ups or bench press
- 17. extends, rotates, and laterally flexes the neck and head
Down
- 1. compresses abdomen when barfing
- 2. elevates and protracts mandible
- 3. adducts and extends upper arm
- 5. retracts and elevates scapula when doing chin-ups or when holding your shoulders back; also extends the neck
- 8. compresses abdomen when belching, barfing, and childbirth
- 9. depresses lower lip as when making a "lizard face"
- 12. elevates and retracts the mandible
- 13. rotates torso left and right and assists with flexion of torso, assists with compression of abdomen