Muscular System

4. Group of 4 muscles located on the front of your upper thigh. Cause Extension of the knee.
5. ______ brachii are located on the front of your upper arm and cause flexion of the elbow.
10. The largest and heaviest muscle in the body. Located on the posterior side of the hip joint.
16. Located on your back (along the spine) to help with posture and keep you up right.
17. _______ muscle makes up the walls of the heart.
18. Skeletal muscles work together in ______. As one muscle shortens the other lengthens.
20. Shoulder muscles.
21. Located on the back of your thigh. Cause
22. _______ muscle. This type of muscle is non-striated and usually part of internal organs.

1. External _________ help your core preform twisting movements.
2. _______ dorsi also know as "Lats", Located on your back/side and cause abduction & extension of the shoulder.
3. _______muscle. This type of muscle is striated and usually attaches to the skeleton to cause voluntary movement.
6. is the term for bending of a joint.
7. This muscle help you inhale and exhale (not in the notes).
8. More commonly called your "calf muscles". Located on the back of your lower leg.
9. These muscles are part of your core. They help stabilize your body.
11. These attach muscles to bones
12. ______ brachii are located on the backside of your upper arm and cause extension of the elbow
13. causes extension of the shoulder. AKA your "traps"
14. _________ Major is your chest muscles.
15. _______ tendon attached your gastrocnemius to the heel of your foot.
19. of the knee.