Origin, Insertion, And Action Of Muscles Quiz
Welcome to our Muscle Origin And Insertion Quiz, where you'll dive into the intricate details of human anatomy and physiology. This quiz is designed to test your understanding of muscle origins and insertions, key components in understanding how muscles function within the body.
In this comprehensive quiz, you'll explore the origins and insertions of major muscle groups, learning about their attachment points and the role they play in the movement. From the biceps brachii to the quadriceps femoris, each muscle has specific points where it originates and inserts into bones or other structures, influencing how the body moves and functions. Read more
By challenging yourself with questions about muscle origins and insertions, you'll gain valuable insights into the mechanics of human movement and enhance your ability to assess and treat musculoskeletal conditions. Take our Muscle Origin And Insertion Quiz and see how well you know the intricacies of muscle anatomy!
Muscle Origin And Insertion Questions and Answers
- 1.
What are the points of origin and insertion for the LATISSIMUS DORSI muscle?
- A.
Thoracic Vertebrae
- B.
Thoraco Lumbar Fasciae
- C.
Scapula
- D.
Humerus
Correct Answer(s)
A. Thoracic Vertebrae
B. Thoraco Lumbar Fasciae
D. HumerusExplanation
The points of origin for the LATISSIMUS DORSI muscle are the Thoracic Vertebrae and the Thoraco Lumbar Fasciae. The point of insertion is the Humerus.Rate this question:
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- 2.
The PECTORALIS muscle originates in the sternum and inserts in the ______.
- A.
Scapula
- B.
Humerus
- C.
Ribs
Correct Answer
B. HumerusExplanation
The pectoralis muscle originates in the sternum and inserts in the humerus. This means that the muscle starts at the breastbone and attaches to the upper arm bone. The pectoralis muscle is responsible for movements such as flexion and adduction of the arm.Rate this question:
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- 3.
The SUPRASPINATUS muscle originates from the _____ and inserts in the _______.
- A.
Scapula / Humerus
- B.
Humerus / Scapula
- C.
Sternum / Scapula
Correct Answer
A. Scapula / HumerusExplanation
The supraspinatus muscle originates from the scapula and inserts in the humerus.Rate this question:
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- 4.
The INFRASPINATUS muscle originates from the _____ and inserts in the _______.
- A.
Scapula / Humerus
- B.
Humerus / Scapula
- C.
Sternum / Scapula
Correct Answer
A. Scapula / HumerusExplanation
The INFRASPINATUS muscle originates from the scapula and inserts in the humerus. This muscle is located on the back of the shoulder and is responsible for external rotation and stabilization of the shoulder joint. Its origin on the scapula allows it to pull on the humerus, causing the arm to rotate outward.Rate this question:
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- 5.
The rhomboideus muscle originates from the _____ and inserts in the _______.
- A.
Vertebrae / Scapula
- B.
Scapula / Vertebrae
- C.
Vertebrae / Sternum
Correct Answer
A. Vertebrae / ScapulaExplanation
The rhomboideus muscle originates from the vertebrae and inserts in the scapula.Rate this question:
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- 6.
The SERRATUS VENTRALIS muscle originates from the _____ and inserts in the _______.
- A.
Ribs / Scapula
- B.
Scapula / Vertebrae
- C.
Scapula / Ribs
Correct Answer
A. Ribs / ScapulaExplanation
The Serratus Ventralis muscle originates from the ribs and inserts in the scapula.Rate this question:
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- 7.
The TRICEPS BRACHII (LONG HEAD) muscle originates from the _____ and inserts in the _______.
- A.
Scapula / Ulna
- B.
Scapula / Radius
- C.
Scapula / Humerus
Correct Answer
A. Scapula / UlnaExplanation
The triceps brachii (long head) muscle originates from the scapula and inserts in the ulna.Rate this question:
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- 8.
The TRICEPS BRACHII (LATERAL HEAD) muscle originates from the _____ and inserts in the _______.
- A.
Humerus / Ulna
- B.
Humerus / Radius
- C.
Scapula / Humerus
Correct Answer
A. Humerus / UlnaExplanation
The TRICEPS BRACHII (LATERAL HEAD) muscle originates from the humerus and inserts in the ulna.Rate this question:
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- 9.
The TRICEPS BRACHII (MEDIAL HEAD) muscle originates from the _____ and inserts in the _______.
- A.
Humerus / Ulna
- B.
Humerus / Radius
- C.
Scapula / Humerus
Correct Answer
A. Humerus / UlnaExplanation
The triceps brachii (medial head) muscle originates from the humerus and inserts in the ulna.Rate this question:
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- 10.
The BICEPS BRACHII (BOTH HEADS) muscle originates from the _____ and inserts in the _______.
- A.
Humerus / Ulna
- B.
Humerus / Radius
- C.
Scapula / Radius
Correct Answer
C. Scapula / RadiusExplanation
The Biceps Brachii muscle, comprising two heads, originates from the scapula and inserts into the radius bone of the forearm. This muscle is responsible for flexing the elbow joint and supinating the forearm, playing a significant role in various arm movements and strength exercises.Rate this question:
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- 11.
The action of the LATISSIMUS DORSI muscle is to...
- A.
Retract the arm.
- B.
Adduct the arm.
- C.
Protract the arm.
- D.
Rotate the art.
Correct Answer
A. Retract the arm.Explanation
The action of the latissimus dorsi muscle is to retract the arm. This means that it pulls the arm backward towards the body. The latissimus dorsi muscle is a large muscle located in the back and is responsible for various movements of the arm, including adduction (bringing the arm towards the body) and extension (bringing the arm backward). However, in this case, the specific action mentioned is retraction, which refers to pulling the arm backward.Rate this question:
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- 12.
The action of the PECTORALIS muscle is to...
- A.
Retract the arm.
- B.
Adduct the arm.
- C.
Protract the arm.
- D.
Rotate the art.
Correct Answer
B. Adduct the arm.Explanation
The pectoralis muscle is responsible for adducting the arm, which means bringing the arm closer to the body. This muscle helps in movements such as hugging or pulling the arm towards the midline of the body. It does not retract, protract, or rotate the arm.Rate this question:
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- 13.
The action of the SUPRASPINATUS muscle is to...
- A.
Retract the arm.
- B.
Adduct the arm.
- C.
Protract the arm.
- D.
Rotate the art.
Correct Answer
B. Adduct the arm.Explanation
The supraspinatus muscle is responsible for raising the arm during abduction and inwardly guiding the head of the humerus toward the glenoid cavity. Additionally, it plays a crucial role in preventing the inferior slippage of the humeral head on its own.Rate this question:
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- 14.
The action of the INFRASPINATUS muscle is to...
- A.
Retract the arm.
- B.
Adduct the arm.
- C.
Protract the arm.
- D.
Rotate the art.
Correct Answer
D. Rotate the art.Explanation
The correct answer is "rotate the arm." The infraspinatus muscle is one of the muscles that make up the rotator cuff in the shoulder. Its main action is to externally rotate the arm, meaning it helps to turn the arm outwards away from the body. This muscle works in coordination with other muscles to provide stability and movement to the shoulder joint.Rate this question:
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- 15.
The action of the rhomboideus muscle is to...
- A.
Retract or adduct the scapula towards the spine.
- B.
Rotates the scapulae and forms a sling by which weight is transferred to the pectoral girdle.
- C.
Protract the arm.
- D.
Rotate the art.
Correct Answer
A. Retract or adduct the scapula towards the spine.Explanation
The rhomboideus muscle is involved in the movement of the scapula (shoulder blade). Its primary action is to retract or adduct the scapula towards the spine. When the rhomboideus contracts, it pulls the scapula closer to the vertebral column, helping in movements like squeezing the shoulder blades together. This muscle plays a role in maintaining proper posture and shoulder movement.Rate this question:
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- 16.
The action of the SERRATUS VENTRALIS muscle is to...
- A.
Hold the scapula in place.
- B.
Rotates the scapulae and forms a sling by which weight is transferred to the pectoral girdle.
- C.
Protract the arm.
- D.
Rotate the art.
Correct Answer
B. Rotates the scapulae and forms a sling by which weight is transferred to the pectoral girdle.Explanation
The SERRATUS VENTRALIS muscle is responsible for rotating the scapulae and forming a sling that transfers weight to the pectoral girdle. This muscle helps in stabilizing the shoulder joint and allows for the movement of the scapulae during arm movements. It plays an important role in activities such as pushing, pulling, and reaching.Rate this question:
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- 17.
The action of the TRICEPS BRACHII (LONG HEAD) muscle is to...
- A.
Hold the scapula in place.
- B.
Rotates the scapulae and forms a sling by which weight is transferred to the pectoral girdle.
- C.
Extend the forearm.
- D.
Flex the forearm.
Correct Answer
C. Extend the forearm.Explanation
The correct answer is "extend the forearm". The triceps brachii (long head) is a muscle located on the back of the upper arm and its main action is to extend the forearm at the elbow joint. This muscle works in opposition to the biceps brachii, which flexes the forearm. When the triceps brachii contracts, it straightens the arm by extending the forearm, allowing for movements such as pushing or straightening the arm after a flexed position.Rate this question:
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- 18.
The action of the TRICEPS BRACHII (LATERAL HEAD) muscle is to...
- A.
Hold the scapula in place.
- B.
Rotates the scapulae and forms a sling by which weight is transferred to the pectoral girdle.
- C.
Extend the forearm.
- D.
Flex the forearm.
Correct Answer
C. Extend the forearm.Explanation
The correct answer is "extend the forearm." The triceps brachii muscle, specifically the lateral head, is responsible for extending the forearm at the elbow joint. When this muscle contracts, it causes the arm to straighten and the forearm to move away from the body. This action is important for movements such as pushing, throwing, and lifting objects.Rate this question:
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- 19.
The action of the TRICEPS BRACHII (MEDIAL HEAD) muscle is to...
- A.
Hold the scapula in place.
- B.
Rotates the scapulae and forms a sling by which weight is transferred to the pectoral girdle.
- C.
Extend the forearm.
- D.
Flex the forearm.
Correct Answer
C. Extend the forearm.Explanation
The correct answer is to extend the forearm. The triceps brachii muscle is responsible for extending the forearm at the elbow joint. It acts in opposition to the biceps brachii muscle, which flexes the forearm. The triceps brachii muscle is located on the back of the upper arm and is the primary muscle used in activities such as pushing, throwing, and straightening the arm.Rate this question:
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- 20.
The action of the BICEPS BRACHII (BOTH HEADS) muscle is to...
- A.
Hold the scapula in place.
- B.
Rotates the scapulae and forms a sling by which weight is transferred to the pectoral girdle.
- C.
Extend the forearm.
- D.
Flex the forearm.
Correct Answer
D. Flex the forearm.Explanation
The BICEPS BRACHII muscle is responsible for flexing the forearm. It is located in the upper arm and connects the shoulder to the elbow joint. When the muscle contracts, it pulls on the forearm, causing it to bend at the elbow. This action is commonly used in activities such as lifting objects or performing bicep curls.Rate this question:
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Current Version
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Mar 26, 2024Quiz Edited by
ProProfs Editorial Team -
Nov 28, 2011Quiz Created by
Prowlingpangolin
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