Muscle Anatomy: Origins and Insertions Quiz

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  • ACSM
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Quizzes Created: 7060 | Total Attempts: 9,520,935
| Questions: 29 | Updated: Aug 4, 2025
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1. Where is the deltoid muscle origin located?

Explanation

The deltoid muscle originates from the lateral one third of the clavicle, acromion, and spine of the scapula, providing stability and mobility to the shoulder joint.

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About This Quiz
Muscle Anatomy: Origins And Insertions Quiz - Quiz

Explore the complexities of muscle anatomy in this focused assessment. This educational tool is designed to enhance your understanding of muscle structures and functions, crucial for students in medical and health-related fields. It's an essential resource for mastering the basics of human physiology.

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2. Where is the deltoid muscle inserted in the body?

Explanation

The deltoid muscle is inserted at the deltoid tuberosity on the lateral aspect of the humerus.

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3. Where is the origin of the teres major muscle?

Explanation

The teres major muscle originates from the inferior one third of the lateral border of the scapula. This muscle is responsible for medial rotation, adduction, and extension of the shoulder joint.

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4. Where is the major insertion point for the teres muscle located?

Explanation

The major insertion point for the teres muscle is located at the crest of the lesser tubercle of the humerus, providing a site for the muscle to attach and exert its function.

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5. Where does the teres minor muscle originate from?

Explanation

The teres minor muscle originates from the upper 2/3rds of the lateral border of the scapula, not the lower 1/3rd or the medial border. It also does not originate from the coracoid process of the scapula.

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6. Where is the insertion point of the teres minor muscle located?

Explanation

The teres minor muscle inserts on the greater tubercle of the humerus, which is located on the lateral side of the proximal humerus. This insertion point allows the teres minor to assist in the external rotation and stabilization of the shoulder joint.

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7. Where is the supraspinatus muscle located?

Explanation

The supraspinatus muscle is located in the supraspinatus fossa of the scapula, not in the thigh, bicep, or calf muscle.

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8. Where is the supraspinatus muscle inserted?

Explanation

The supraspinatus muscle is a rotator cuff muscle that inserts onto the greater tubercle of the humerus, specifically on the superior facet.

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9. Where is the origin of the infraspinatus muscle?

Explanation

The infraspinatus muscle originates from the infraspinatus fossa of the scapula, which is located on the posterior aspect of the scapula. This muscle is important for the external rotation and stabilization of the shoulder joint.

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10. Where does the infraspinatus muscle insert?

Explanation

The infraspinatus muscle inserts onto the greater tubercle of the humerus, helping with external rotation of the shoulder joint.

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11. Where is the origin of the subscapularis muscle?

Explanation

The subscapularis muscle originates from the subscapular fossa of the scapula. The greater tubercle of the humerus is the insertion point for the subscapularis muscle. The coracoid process of the scapula is the origin point for the coracobrachialis muscle. The infraspinatus muscle originates from the infraspinatus fossa of the scapula.

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12. Where does the subscapularis muscle insert?

Explanation

The subscapularis muscle inserts on the lesser tubercle of the humerus, contributing to the rotator cuff muscles in the shoulder. It plays a key role in internal rotation and stabilization of the shoulder joint.

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13. Where is the origin of the coracobrachialis muscle?

Explanation

The coracobrachialis muscle originates from the coracoid process of the scapula. This muscle is responsible for flexing and adducting the arm.

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14. Where is the insertion point of the coracobrachialis muscle?

Explanation

The coracobrachialis muscle inserts on the medial surface of the mid humeral shaft, not on the lateral epicondyle of humerus, sternum, or iliac crest.

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15. Where is the origin of the triceps brachii long head?

Explanation

The triceps brachii long head originates from the infraglenoid tubercle of the scapula, providing a valuable attachment point for the muscle's function in forearm extension.

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16. Where is the origin of the lateral head of the triceps brachii muscle?

Explanation

The triceps brachii muscle has three heads - lateral, long, and medial. The lateral head's origin is on the posterior surface of the proximal half of the humerus, while the long head originates from the infraglenoid tubercle of the scapula and the medial head has an origin on the distal half of the humerus. Therefore, the correct answer is the posterior surface of the proximal half of the humerus.

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17. Where is the triceps brachii muscle's medial head located?

Explanation

The triceps brachii muscle's medial head is located on the posterior surface of the distal half of the humorous, responsible for extending the elbow.

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18. Where is the insertion point of the triceps brachii muscle?

Explanation

The triceps brachii muscle inserts at the olecranon process of the ulna, allowing for extension of the elbow joint.

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19. What are the origins of the pronator teres muscle?

Explanation

The pronator teres muscle originates from the common flexor tendon, not the common extensor tendon or the brachioradialis muscle. Additionally, it connects to the coracoid process of the ulna, not the pisiform bone, acromion process, or radius bone.

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20. Where is the insertion point of pronator teres muscle located?

Explanation

The pronator teres muscle inserts at the middle of the lateral surface of the radius, allowing it to pronate the forearm.

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21. Where is the anconeus muscle origin?

Explanation

The anconeus muscle originates from the lateral epicondyle of the humerus, not the medial epicondyle. The correct answer is not the coronoid process of the ulna or the greater tubercle of the humerus.

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22. Where is the ancones insertion located?

Explanation

The ancones insertion is specifically located at the olecranon process and posterior proximal surface of ulna, providing attachment for the triceps brachii muscle.

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23. Where is the origin of piriformis muscle?

Explanation

The piriformis muscle originates from the anterior surface of the sacrum. The incorrect answers are variations of other possible locations where the muscle does not originate from.

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24. Where is the insertion point of the piriformis muscle located?

Explanation

The piriformis muscle inserts on the superior aspect of the greater trochanter of the femur, playing a role in hip rotation and stability.

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25. Where is the insertion point of the superior gemellus muscle?

Explanation

The superior gemellus muscle inserts on the medial surface of the greater trochanter of the femur, assisting in the lateral rotation of the thigh.

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26. Where is the origin of the inferior gemellus muscle?

Explanation

The inferior gemellus muscle originates from the ischial tuberosity, not from the greater trochanter of the femur, pubic symphysis, or anterior superior iliac spine.

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27. Where is the insertion point of the inferior gemellus muscle located?

Explanation

The inferior gemellus muscle inserts on the medial surface of the greater trochanter of the femur, aiding in external rotation of the hip joint.

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28. Where does the obturator internus muscle originate from?

Explanation

The obturator internus muscle originates from the obtunater membrane and inferior surface of the obturator foramen. The incorrect answers provided do not accurately reflect the origin of the obturator internus muscle.

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29. Where does the obturator internus muscle insert?

Explanation

The obturator internus muscle inserts into the medial surface of the greater trochanter of the femur. It plays a role in hip rotation and stabilization of the hip joint.

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  • Answered
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Where is the deltoid muscle origin located?
Where is the deltoid muscle inserted in the body?
Where is the origin of the teres major muscle?
Where is the major insertion point for the teres muscle located?
Where does the teres minor muscle originate from?
Where is the insertion point of the teres minor muscle located?
Where is the supraspinatus muscle located?
Where is the supraspinatus muscle inserted?
Where is the origin of the infraspinatus muscle?
Where does the infraspinatus muscle insert?
Where is the origin of the subscapularis muscle?
Where does the subscapularis muscle insert?
Where is the origin of the coracobrachialis muscle?
Where is the insertion point of the coracobrachialis muscle?
Where is the origin of the triceps brachii long head?
Where is the origin of the lateral head of the triceps brachii muscle?
Where is the triceps brachii muscle's medial head located?
Where is the insertion point of the triceps brachii muscle?
What are the origins of the pronator teres muscle?
Where is the insertion point of pronator teres muscle located?
Where is the anconeus muscle origin?
Where is the ancones insertion located?
Where is the origin of piriformis muscle?
Where is the insertion point of the piriformis muscle located?
Where is the insertion point of the superior gemellus muscle?
Where is the origin of the inferior gemellus muscle?
Where is the insertion point of the inferior gemellus muscle located?
Where does the obturator internus muscle originate from?
Where does the obturator internus muscle insert?
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