Download review anatomy muscles

REVIEW ANATOMY MUSCLES
1. A decrease in muscle size is called __________.
2. An increase in muscle size is termed __________.
3. The number of muscles cells able to contract determine the __________ of a
muscle contraction.
4. Muscles may be named according to __________, direction of fibers and points
of attachment.
5. The ____________ muscles has fibers on a parallel plane.
6. The muscle that raises the arm is the ___________.
7. The posterior arm muscle that extends the forearm is the_____________.
8. The arm muscle that both flexes the elbow and ________ the forearm is the
biceps brachii.
9. The muscle that acts against the agonist is the ______________.
10. The ____________ allows blinking.
11. The _____________ allows you to protrude your lips.
12. The Pectoralis major is located in the _____________.
13. The trapezius is located in the ___________.
14. The sternocleidomastoid is located in the ___________
15. The smallest contractile unit of muscle is a____________________.
16. ____________ surrounds the bundles of muscle fibers.
17. ___________ surrounds the individual muscle fiber.
18. The primary function of skeletal muscle is_________________.
19. The ___________ is the muscle that helps you cross your leg
20. The ______________ closes the jaw by elevating the mandible
A:\REV CH 6b MUSCLES.doc
21. The biceps femoris, semitendeniosis, and semimembranosous are all muscles of
the ____________ group.
22. When a athlete injures a muscle of the __________ group, the injury is on the
anterior thigh.
23. The ___________ is a muscle that dorsiflexes and inverts the foot.
24. The proteins found in myofilaments that contains the cross-bridges
______________.
25. _______________ increases the joint angle, brings bones further apart.
26. ____________ means moving a limb away from the body
27. __________move from downward to upward
28. During a _____________ contraction the length of the muscle does not change.
29. During a _________ contraction the force does not change.
30. A flexor muscle would be located on the _________ side of the wrist.
31. Fatigue and stiffness come from a build up of ______________ in your muscles.
32. When the neurotransmitter is released and attaches to the receptors on the
sarcolemma, Na+ rushes into the cell causing ______________ which subsequently
leads to the contraction process.
********** BE ABLE TO LABEL A MUSCLE FIBER AND THE MUSCLES OF
THE BODY AS WELL AS THE ORIGIN AND INSERTION AND THE SARCOMERE
*****************************
A:\REV CH 6b MUSCLES.doc
ANSWERS TO REVIEW Muscles
1. atrophy
2. hypertrophy
3. strength
4. size
5. rectus abdominus
6. deltoid
7. triceps rachii
8. supinates
9. antagonist
10. orbicularis oculi
11. orbicularis oris
12. chest
13. back/shoulder
14. neck
15. sarcomere
16. Perimysium
17. endomysium
18. contraction
19. sartorius
20. masseter
21. HAMSTRING
22. QUADRICEPT
23. TIBIALIS ANTERIOR
24. MYOSIN
25. extension
26. ABDUCTION
27. supinations
28. ISOMETRIC
29. isotonic
30. anterior
31. lactic acid
32. depolarization
A:\REV CH 6b MUSCLES.doc
A:\REV CH 6b MUSCLES.doc