Muscle Retake Assignment Name ___________________________ Per. ____

Part 1 – Naming muscles.

For each section write the correct letter in front of the name of the muscle from the picture.

Head and Neck

____1. Frontalis

____2. Orbicularis oculi

____3. Orbicularis oris

____4. Buccinator

____5. Zygomaticus

____6. Masseter

____7. Temporalis

____8. Occipitalis

____9. Platysma

____10. Sternoocleidomastoid

Anterior Torso

____11. External obliques

____12. Pectoralis major

____13. Trapezius

____14. Internal obliques

____15. Transverse abdominis

____16. Serratus anterior

____17. Deltoid

____18. Rectus abdominis

____19. Pectoralis minor

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Posterior Torso

____20. Deltoid

____21. Latissimus dorsi

__________22. Rotator Cuff (3 letters)

____23. Supraspinatus

____24. Rhomboideus Major

____25. Teres minor

____26. Teres major

____27. Infraspinatus

____28. Trapezius

Anterior Leg

______29. Quadriceps

(3 letters)

_____30. Vastus medalis

_____31. Vastus lateralis

_____32. Gastrocnemius

_____33. Soleus

_____34. Rectus femoris

_____35. Sartorius

_____36. Tensor Fasciae

Latae

_____37. Adductor longus

Posterior Leg

_______40. Hamstring Group

(3 letters)

_____41. Gastrocnemius

_____42. Semitendinosus

_____43. Biceps femoris

_____44. Semimembranosus

_____45. Gluteus medius

_____46. Gluteus maximus

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_____38. Gracilis

_____39. Tibialis anterior

Anterior Arm

_____47. Bicep brachii

_____48. Flexor carpi

radialis

_____49. Brachialis

_____50. Brachioradialis

_____51. Flexor carpi

ulnaris

_____52. Palmaris

longus

Posterior Arm

_____53. Triceps brachii

_____54. Extensor carpi

radialis

_____55. Flexor carpi

ulnaris

_____56. Extensor carpi

ulnaris

_____57. Extensor

digitorum

Part 2 Anatomy and Physiology of Muscle System

1) Complete the chart regarding muscle tissue types

Muscle Type Control Texture & Shape Nuclei Example structure

Cardiac

Skeletal

Smooth

2) List the 5 functions of the muscular system

3) Muscle fiber: Identify each labeled letter and give the function of each structure.

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A-

B-

C-

D-

E-

F-

G-

H-

4) Sliding filament theory - Complete the chart in terms of the roles of various molecules for each step.

Steps Myosin and actin relationship

ATP or ADP +P Calcium location & effect

1) Cross bridge detaches

2) Head lines up

3) Cross bridge attaches

4) Powerstroke completes

5) Energy for a contraction. Explain the role of creatine phosphate in muscle contractions. Explain the difference between cell respiration and fermentation for energy during a muscle contraction.

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6) Complete the following table when comparing fast-twitch (white) and slow-twitch (dark) muscle fibers.

Fast-twitch (white) fibers Slow-twitch (dark) fibers

Type of work performed

Suited activities

Type of athlete

Type of respiration

Blood supply

Energy release

Number of mitochondria

Amount of myoglobin

7) Many muscles are antagonistic, meaning they work in opposite pairs for movement. Explain the antagonistic muscle movements that are accomplished by each pair of muscles.

a) Frontalis and Orbicularis oculi

b) Deltoid and Pectoralis major

c) Sternocleidomastoid and Trapezius

d) Hamstrings and quadriceps

e) Anterior tibialis points and Gastrocnemius

f) Biceps brachii and triceps brachii

8) For each of the following- name a muscle that demonstrates the following characteristics in its name.

a) Size-

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b) Shape-

c) Direction of fibers-

d) Number of attachments

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