Muscular System: Functions, Types, and Movements

1. 10 The Muscular System

2. The muscle that provides the major force for producing a specific movement isa(n) ______. • prime mover • antagonist • synergist • fixator

3. The muscle that provides the major force for producing a specific movement isa(n) ______. • prime mover • antagonist • synergist • fixator

4. A muscle that immobilizes a bone, or a muscle's origin so that the prime mover has a stable base in which to act, is calleda __________. • secondary stabilizer • antagonist • synergist • fixator

5. A muscle that immobilizes a bone, or a muscle's origin so that the prime mover has a stable base in which to act, is calleda __________. • secondary stabilizer • antagonist • synergist • fixator

6. You could conclude that a muscle with the term "rectus" included in its name is a muscle whose fibers run ______ to the body's vertical axis. • at a right angle • obliquely • parallel • perpendicular

7. You could conclude that a muscle with the term "rectus" included in its name is a muscle whose fibers run ______ to the body's vertical axis. • at a right angle • obliquely • parallel • perpendicular

8. Muscle power is primarily dependenton ________. • the degree to which a muscle can shorten • the number of cells in the muscle • the muscle's shape • the direction of fibers in the muscle

9. Muscle power is primarily dependent on ________. • the degree to which a muscle can shorten • the number of cells in the muscle • the muscle's shape • the direction of fibers in the muscle

10. Bones and muscles work together to move your body. In this case one bone is the ______ and a second bone is the ________. • fulcrum; lever • lever; pulley • pulley; load • lever; load

11. Bones and muscles work together to move your body. In this case one bone is the ______ and a second bone is the ________. • fulcrum; lever • lever; pulley • pulley; load • lever; load

12. In which class of levers is the load between the fulcrum and the effort? • First class • Second class • Third class • Fourth class

13. In which class of levers is the load between the fulcrum and the effort? • First class • Second class • Third class • Fourth class

14. Flexing the forearm with the biceps brachii is an example of which class of lever system? • First class • Second class • Third class • Fourth class

15. Flexing the forearm with the biceps brachii is an example of which class of lever system? • First class • Second class • Third class • Fourth class

16. The muscles of the ______ are rather unusual for muscles because they insert onto the skin or other muscles. • face • posterior thigh • abdomen • hand

17. The muscles of the ______ are rather unusual for muscles because they insert onto the skin or other muscles. • face • posterior thigh • abdomen • hand

18. This muscle is the primary muscle used in smiling. • Mentalis • Platysma • Orbicularis oculi • Zygomaticus

19. This muscle is the primary muscle used in smiling. • Mentalis • Platysma • Orbicularis oculi • Zygomaticus

20. When you bite down on an ice cube, this muscle strongly contracts. • Lateral pterygoid • Buccinator • Hyoglossus • Masseter

21. When you bite down on an ice cube, this muscle strongly contracts. • Lateral pterygoid • Buccinator • Hyoglossus • Masseter

22. When you lie on your back, your ______ muscles contract to lift your head. • sternocleidomastoid • scalene • splenius • platysma

23. When you lie on your back, your ______ muscles contract to lift your head. • sternocleidomastoid • scalene • splenius • platysma

24. The muscles of the back that are most susceptible to injury during heavy lifting belong to the ______ muscle group. • quadratus lumborum • erector spinae • semispinalis • splenius

25. The muscles of the back that are most susceptible to injury during heavy lifting belong to the ______ muscle group. • quadratus lumborum • erector spinae • semispinalis • splenius

26. The ______ is (are) the most important muscle(s) for inspiratory breathing. • internal intercostals • diaphragm • scalenes • rectus abdominis

27. The ______ is (are) the most important muscle(s) for inspiratory breathing. • internal intercostals • diaphragm • scalenes • rectus abdominis

28. The levator ani and ______ muscles form the pelvic diaphragm. • ischiocavernosus • bulbospongiosus • coccygeus • gluteus maximus

29. The levator ani and ______ muscles form the pelvic diaphragm. • ischiocavernosus • bulbospongiosus • coccygeus • gluteus maximus

30. The ______ muscles are antagonistic to each other when moving the scapula forward and backward. • pectoralis major and subclavius • latissimus dorsi and rhomboid • pectoralis minor and serratus anterior • serratus anterior and trapezius

31. The ______ muscles are antagonistic to each other when moving the scapula forward and backward. • pectoralis major and subclavius • latissimus dorsi and rhomboid • pectoralis minor and serratus anterior • serratus anterior and trapezius

32. The _______ muscles include the supraspinatus, infraspinatus, teres minor, and subscapularis. • shoulder blade • rotator cuff • humerus • arm extender

33. The _______ muscles include the supraspinatus, infraspinatus, teres minor, and subscapularis. • shoulder blade • rotator cuff • humerus • arm extender

34. Swimmers tend to have particularlywell-developed ______ muscles. • coracobrachialis • teres minor • subscapularis • latissimus dorsi

35. Swimmers tend to have particularlywell-developed ______ muscles. • coracobrachialis • teres minor • subscapularis • latissimus dorsi

36. Doing pull-ups with the palms facing anteriorly effectively exercises the ______ muscles of the arm. • triceps brachii • anconeus • brachialis • pronator teres

37. Doing pull-ups with the palms facing anteriorly effectively exercises the ______ muscles of the arm. • triceps brachii • anconeus • brachialis • pronator teres

38. The prime mover of pronation is the ______. • brachioradialis • palmaris longus • pronator quadratus • supinator

39. The prime mover of pronation is the ______. • brachioradialis • palmaris longus • pronator quadratus • supinator

40. The ______ muscle is the most powerful muscle in the body. • quadriceps femoris • adductor magnus • gracilis • iliopsoas

41. The ______ muscle is the most powerful muscle in the body. • quadriceps femoris • adductor magnus • gracilis • iliopsoas

42. The ______ muscles comprise the triceps surae that inserts onto the calcaneal tendon and are prime movers of plantar flexion. • plantaris and popliteus • soleus and tibialis anterior • gastrocnemius and tibialis posterior • gastrocnemius and soleus

43. The ______ muscles comprise the triceps surae that inserts onto the calcaneal tendon and are prime movers of plantar flexion. • plantaris and popliteus • soleus and tibialis anterior • gastrocnemius and tibialis posterior • gastrocnemius and soleus