The Anatomy Of The Shoulder Quiz

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The Anatomy Of The Shoulder Quiz - Quiz

How much do you know about how the shoulder works? Take this anatomy of the shoulder quiz to find out today! Responsible for the movement of our ever-important hands, the shoulder is an extremely important part of the body when it comes to getting done what it is we want to get done. It connects our body to our extremities and enables us to move our arms to do things. Let's see how much you will score on this quiz!


Questions and Answers
  • 1. 

    Name this muscle that elevates the shoulder

    • A.

      Quadratus Lumborum

    • B.

      Biceps Brachii

    • C.

      Trapezius

    • D.

      Levator Scapulae

    Correct Answer
    D. Levator Scapulae
    Explanation
    The Levator Scapulae is a muscle that is responsible for elevating the shoulder. It is located at the back and side of the neck and attaches to the scapula (shoulder blade). When this muscle contracts, it helps to raise the shoulder upwards. The other options listed, Quadratus Lumborum, Biceps Brachii, and Trapezius, are not primarily involved in shoulder elevation.

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  • 2. 

    Name this muscle the largest of the Shoulder Group

    • A.

      Trapezius

    • B.

      Subscapularis

    • C.

      Teres Major

    • D.

      Levator Scapulae

    Correct Answer
    A. Trapezius
    Explanation
    The trapezius muscle is the largest muscle in the shoulder group. It is a large, triangular muscle that extends from the base of the skull to the middle of the back and down to the spine of the scapula. It plays a key role in moving and stabilizing the shoulder blades, as well as in neck and head movements. The trapezius muscle helps to control and coordinate movements of the upper body, making it an important muscle for posture and overall shoulder function.

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  • 3. 

    This muscle will elevate the arm at the shoulder and flex the shoulder

    • A.

      Posterior Deltoid

    • B.

      Anterior Deltoid

    • C.

      Middle Deltoid

    • D.

      Pectoralis Major

    Correct Answer
    B. Anterior Deltoid
    Explanation
    The anterior deltoid is responsible for elevating the arm at the shoulder and flexing the shoulder. It is located at the front of the shoulder and is one of the three heads of the deltoid muscle. When this muscle contracts, it helps in lifting the arm up and forward, as well as bringing the arm closer to the body. This movement is commonly seen when performing exercises like shoulder presses or front raises.

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  • 4. 

    What muscle is the prime mover for flexion at the elbow?

    • A.

      Brachialis

    • B.

      Biceps Brachii

    • C.

      Brachioradialis

    • D.

      Triceps

    Correct Answer
    B. Biceps Brachii
    Explanation
    The biceps brachii is the prime mover for flexion at the elbow. It is a two-headed muscle located in the upper arm. When it contracts, it causes the forearm to bend at the elbow joint, resulting in flexion. The other muscles listed, such as the brachialis, brachioradialis, and triceps, also play a role in elbow movement but they are not the primary muscles responsible for flexion.

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  • 5. 

    Which Muscle is NOT a rotator cuff muscle?

    • A.

      Supraspinatus

    • B.

      Infraspinatus

    • C.

      Teres Major

    • D.

      Teres Minor

    Correct Answer
    C. Teres Major
    Explanation
    The teres major muscle is not a rotator cuff muscle because it is not directly involved in the rotator cuff mechanism. The rotator cuff muscles include the supraspinatus, infraspinatus, teres minor, and subscapularis. These muscles work together to stabilize and rotate the shoulder joint. However, the teres major muscle is located in a different area of the shoulder and has a different function, primarily assisting in the movement of the arm away from the body.

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  • 6. 

    What muscle is not a prime mover in horizontal adduction of the shoulder?

    • A.

      Middle deltoid

    • B.

      Supraspinatus

    • C.

      Anterior Deltoid

    • D.

      Biceps (Long Head)

    Correct Answer
    B. Supraspinatus
    Explanation
    The supraspinatus muscle is not a prime mover in horizontal adduction of the shoulder. Horizontal adduction refers to the movement of bringing the arm towards the midline of the body. The supraspinatus muscle is primarily responsible for initiating abduction of the shoulder, which is the movement of raising the arm away from the midline of the body. Therefore, it is not directly involved in horizontal adduction.

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  • 7. 

    What mucle is the Prime mover of the shoulder?

    • A.

      Posterior Deltiod

    • B.

      Infraspinatus

    • C.

      Teres Minor

    • D.

      Trapezius

    Correct Answer
    A. Posterior Deltiod
    Explanation
    The posterior deltoid is the correct answer as it is the main muscle responsible for the movement of the shoulder. It is located at the back of the shoulder and is involved in various movements such as shoulder extension, horizontal abduction, and external rotation. The infraspinatus and teres minor are also muscles involved in shoulder movement, specifically in external rotation. The trapezius muscle, although located in the upper back and neck region, is not considered the prime mover of the shoulder.

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  • 8. 

    This muscle is NOT responsible for Lateral Rotation at the Shoulder.

    • A.

      Infraspinatus

    • B.

      Supraspinatus

    • C.

      Teres Minor

    • D.

      Posterior Deltoid

    Correct Answer
    B. Supraspinatus
    Explanation
    The supraspinatus muscle is not responsible for lateral rotation at the shoulder. Lateral rotation refers to the movement of rotating the arm away from the midline of the body. The supraspinatus muscle is located on the top of the shoulder blade and is primarily involved in the initiation of abduction, which is the movement of raising the arm away from the body. It helps to stabilize the shoulder joint and assist in other movements, but it does not directly contribute to lateral rotation.

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  • 9. 

      Origin: Infraspinous fossa of scapula   Insertion: Middle facet on greater tuberosity of humerus   Action:  Lateral rotation of the arm  

    • A.

      Supraspinatus

    • B.

      Infraspinatus

    • C.

      Teres minor

    • D.

      Teres major

    Correct Answer
    B. Infraspinatus
    Explanation
    The correct answer is infraspinatus. The infraspinatus muscle originates from the infraspinous fossa of the scapula and inserts onto the middle facet of the greater tuberosity of the humerus. Its action is to laterally rotate the arm.

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  • 10. 

    These muscles are responsible for elevation of the shoulder

    • A.

      Serratus Anterior - upper, Rhomboids, Levator Scapulae, Upper Trapezius

    • B.

      Subscapularis, Teres Major, Anterior Deltoid

    • C.

      Lower Trapezius, Serratus Anterior - lower

    • D.

      Deltoids, Infraspinatus, Teres Minor

    Correct Answer
    A. Serratus Anterior - upper, Rhomboids, Levator Scapulae, Upper Trapezius
    Explanation
    The muscles responsible for the elevation of the shoulder are the Serratus Anterior - upper, Rhomboids, Levator Scapulae, and Upper Trapezius. These muscles work together to lift the shoulder and help with movements such as shrugging or raising the arm overhead. The Serratus Anterior - upper, Rhomboids, Levator Scapulae, and Upper Trapezius are all involved in stabilizing and controlling the movement of the shoulder girdle, allowing for proper shoulder elevation.

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  • 11. 

    __________ is the primary elevator of the shoulder.

    Correct Answer
    Upper Trapezius, Trapezius, Upper Trap, Trap (upper), Trap
    Explanation
    The primary elevator of the shoulder is the Upper Trapezius muscle, also known as the Trapezius, Upper Trap, or Trap (upper). This muscle is responsible for elevating the shoulder, allowing movements such as shrugging or lifting the arm upwards. It is located in the upper back and neck region and plays a key role in stabilizing and moving the shoulder joint.

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  • 12. 

    Discuss tha agaonist/antagonist relationship of muscles

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