Test Your Knowledge On The Structures Of The Shoulder Region

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| By Swalk14
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Quizzes Created: 1 | Total Attempts: 271
Questions: 10 | Attempts: 272

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Human Anatomy Quizzes & Trivia

The shoulders are charged with aiding us in movement and it consists of eight muscles in total. Over the past few weeks in anatomy class we have been able to cover some of the factors that help the shoulders meet their functions. Why don’t you attempt the following quiz to test your knowledge on the structures of the shoulder region? All the best!


Questions and Answers
  • 1. 

    The bones that make up the acromioclavicular joint are:

    • A.

      Clavicle and humerus

    • B.

      Scapula and humerus

    • C.

      Scapula and clavicle

    • D.

      Ribs and humerus

    Correct Answer
    C. Scapula and clavicle
    Explanation
    The acromioclavicular joint is formed by the scapula and clavicle bones. This joint is located at the top of the shoulder and helps to connect the arm to the rest of the body. The scapula, also known as the shoulder blade, is a flat triangular bone that sits on the back of the ribcage. The clavicle, or collarbone, is a long bone that runs horizontally across the front of the shoulder. Together, these two bones form the acromioclavicular joint, allowing for movement and stability in the shoulder.

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  • 2. 

    The glenohumeral joint is a:

    • A.

      Ball and socket joint

    • B.

      Hinge joint

    • C.

      Saddle joint

    • D.

      Gliding Joint

    Correct Answer
    A. Ball and socket joint
    Explanation
    The glenohumeral joint is a ball and socket joint. This type of joint allows for a wide range of movement in multiple directions, including flexion, extension, abduction, adduction, and rotation. The ball-shaped head of the humerus fits into the shallow socket of the glenoid fossa of the scapula, allowing for a great deal of mobility and stability in the shoulder joint.

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  • 3. 

    Which joint isn't found in the shoulder region?

    • A.

      Glenohumeral joint

    • B.

      Scapulothoracic joint

    • C.

      Radioulnar joint

    • D.

      Sternoclavicular joint

    Correct Answer
    C. Radioulnar joint
    Explanation
    The radioulnar joint is not found in the shoulder region. The glenohumeral joint is the main joint in the shoulder, connecting the humerus bone to the glenoid cavity of the scapula. The scapulothoracic joint is not a true joint, but rather the movement between the scapula and the thoracic wall. The sternoclavicular joint is the joint between the clavicle and the sternum. Therefore, the radioulnar joint is the only option that is not found in the shoulder region.

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  • 4. 

    The four muscles of the rotator cuff are:

    • A.

      Teres major, infraspinatus, subscapularis and supraspinatus

    • B.

      Supraspinatus, deltoid, teres minor and teres major

    • C.

      Biceps brachii, triceps brachii, deltoid and supraspinatus

    • D.

      Teres minor, infraspinatus, subscapularis and supraspinatus

    Correct Answer
    D. Teres minor, infraspinatus, subscapularis and supraspinatus
    Explanation
    The correct answer is Teres minor, infraspinatus, subscapularis and supraspinatus. These four muscles are indeed the muscles of the rotator cuff. The rotator cuff is a group of muscles and tendons that surround the shoulder joint and help to stabilize and move the shoulder. The teres minor, infraspinatus, subscapularis, and supraspinatus muscles work together to allow for smooth and controlled movement of the shoulder joint.

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  • 5. 

    The posterior fibres of the deltoid:

    • A.

      Flexes, abducts and internally rotates the shoulder

    • B.

      Extends, horizontally adducts and externally rotates the shoulder

    • C.

      Extends, horizontally abducts and externally rotates the shoulder

    • D.

      Flexes, extends and abducts the shoulder

    Correct Answer
    C. Extends, horizontally abducts and externally rotates the shoulder
    Explanation
    The posterior fibers of the deltoid muscle are responsible for extending the shoulder joint, horizontally abducting the shoulder, and externally rotating the shoulder. These actions allow for movements such as pulling the arm backwards, moving the arm away from the body sideways, and rotating the arm outward.

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  • 6. 

    What is the most powerful superficial muscle on the back?

    • A.

      Trapezius

    • B.

      Latissimus dorsi

    • C.

      The rotator cuff

    • D.

      Rhomboids

    Correct Answer
    A. Trapezius
    Explanation
    The trapezius muscle is the most powerful superficial muscle on the back. It is a large muscle that extends down the back of the neck and upper spine to the middle of the back. It is responsible for moving and stabilizing the shoulder blades, as well as extending and rotating the head and neck. The trapezius muscle is important for maintaining good posture and is commonly targeted in exercises to strengthen the back and shoulders.

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  • 7. 

    Which muscles attach onto the coracoid process?

    • A.

      Pectoralis major

    • B.

      Pectoralis minor

    • C.

      Biceps brachii

    • D.

      Coracobrachialis

    Correct Answer(s)
    B. Pectoralis minor
    C. Biceps brachii
    D. Coracobrachialis
    Explanation
    The coracoid process is a small, hook-like structure on the scapula (shoulder blade). The muscles that attach onto the coracoid process include the pectoralis minor, biceps brachii, and coracobrachialis. The pectoralis minor is a small muscle located underneath the pectoralis major, and it helps to stabilize the scapula. The biceps brachii is a large muscle in the upper arm that helps to flex the elbow joint. The coracobrachialis is a small muscle that also helps to flex the elbow joint and stabilize the shoulder. These muscles work together to provide stability and movement to the shoulder and arm.

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  • 8. 

    Which muscles attach onto the clavicle? 

    • A.

      Deltoid

    • B.

      Biceps brachii

    • C.

      Pectoralis major

    • D.

      Rhomboids

    Correct Answer(s)
    A. Deltoid
    C. Pectoralis major
    Explanation
    The deltoid muscle and the pectoralis major muscle attach onto the clavicle. The deltoid muscle is a large, triangular muscle that covers the shoulder joint and helps to raise and rotate the arm. The pectoralis major muscle is a large, fan-shaped muscle that covers the upper chest and helps to flex, adduct, and medially rotate the arm. Both of these muscles have attachments to the clavicle, which allows them to exert their actions on the shoulder joint.

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  • 9. 

    Which muscles attach onto the spine?

    • A.

      Levator scapula

    • B.

      Rhomboids

    • C.

      Infraspinatus

    • D.

      Deltoid

    Correct Answer(s)
    A. Levator scapula
    B. Rhomboids
    Explanation
    The levator scapula and rhomboids are muscles that attach onto the spine. The levator scapula muscle originates from the transverse processes of the upper cervical vertebrae and inserts onto the superior angle of the scapula. The rhomboids consist of two muscles, the rhomboid major and rhomboid minor, which originate from the spinous processes of the thoracic vertebrae and insert onto the medial border of the scapula. These muscles play a role in stabilizing and retracting the scapula, contributing to proper posture and movement of the shoulder girdle.

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 05, 2014
    Quiz Created by
    Swalk14
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