Short Quiz On Muscles
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The insertion of the extensor digitorum longus is the tibial tuberosity.
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True
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False
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About This Quiz
This Short Quiz on Muscles assesses knowledge on muscle anatomy including innervation, insertion points, and actions. It is designed for learners to validate and enhance their understanding of human muscular structure and function, crucial for medical and health-related fields.
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- 2.
Which of the following is an action performed by the rectus abdominis?
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Elbow flexion
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Hip extension
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Dorsiflexion
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Vertibral column flexion
Correct Answer
A. Vertibral column flexionExplanation
The rectus abdominis is a paired muscle located in the abdomen, commonly known as the "six-pack" muscle. Its primary action is to flex the vertebral column, which means it helps to bend the spine forward. This muscle is responsible for movements like crunches or sit-ups, where the upper body is brought closer to the legs by flexing the spine. Elbow flexion, hip extension, and dorsiflexion are actions performed by other muscle groups and not the rectus abdominis.Rate this question:
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- 3.
What is the origin of the supraspinatus muscle?
Correct Answer
supraspinous fossaExplanation
The supraspinatus muscle originates from the supraspinous fossa. The supraspinous fossa is a depression on the scapula bone located above the spine. This is where the muscle begins its attachment before it extends and inserts into the greater tubercle of the humerus. The supraspinatus muscle plays a crucial role in shoulder movement and stability, particularly in initiating abduction of the arm.Rate this question:
- 4.
What is the insertion of the pectoralis minor?
Correct Answer
coracoid process of scapulaExplanation
The insertion of the pectoralis minor muscle is the coracoid process of the scapula. The pectoralis minor originates from the third, fourth, and fifth ribs, and it inserts onto the coracoid process. This muscle is responsible for stabilizing and depressing the scapula, as well as assisting in the movement of the shoulder joint.Rate this question:
Quiz Review Timeline (Updated): May 31, 2024 +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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May 31, 2024Quiz Edited by
ProProfs Editorial Team -
Sep 29, 2013Quiz Created by
Rmillernorris
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