Corley_Jones Test: Muscular System

Question 0

38. Where is the Latissimus Dorsi Located?

Answer 0

In your back behind your ribs.

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Question 1

4. Skeletal muscles must work in pairs because…

Answer 1

Muscles cells can only contract.

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Question 2

40. What is the Muscle that relaxes to allow the leg to extend at the knee?

Answer 2

The quadriceps femoris.

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Question 3

41. Where is the Pectoralis Major?

Answer 3

It is located in your chest area and breast.

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Question 4

45. What is the muscle that raises the shoulders?

Answer 4

Trapezius.

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Question 5

48. Where is the tibialis anterior located?

Answer 5

Along your shin.

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Question 6

49. What muscle extends to straighten the forearm and where is it located?

Answer 6

Extensor Digitorum and on the Back of your forearm.

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Question 7

50. Where is the external oblique located?

Answer 7

On either side of your rectus obdominus.

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Question 8

52. Where is the gluteus Maximus located?

Answer 8

Below your waist and above your quadriceps.

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Question 9

64. What are the strap like muscles that extend from the ribs to the pelvis?

Answer 9

The Satorius

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Question 10

79. A muscle attached to a bone by a connective tissue is called a…

Answer 10

Tendon

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Question 11

80. Explain how muscles work as a pair and to bend the arm at the elbow causing movement at the joint. Make sure you discuss the type of joint movement.

Answer 11

Flexion of a joint is a decrease of the joint angle from the Antomical position. When the elbow is bent the forearm is constracted or has pulled the bone of the forearm. Most Flexion takes place in a forward direction. The exception of this is the leg where Flexion of the leg results in bending the knee. Extension of the joint is when the joint is returned to anotomical position or increased the angle of the joint, which means the extensor is contracte. An example of this is when the triceps Brachi (extensor) contracts to straighten the arm. The biceps Brachii muscle (flexor) in the upper arm contracts to bend the elbow. Muscles work in pairs so that at the same time, the biceps brachii muscle (flexor) contracts to bend the joint and the tricepts brachii returns to its original length. To straighten the arm or extend the joint, the tricepts brachii (extensor) contracts while the biceps returns to its oringinal length.

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