Upper Limb Muscles Worksheet
A Grade 11 Science worksheet covering the anatomy and function of the muscles of the human upper limb, including identification, classification, and roles in movement.
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Upper Limb Muscles Worksheet
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Read each question carefully and answer to the best of your knowledge. This worksheet assesses your understanding of the muscles of the human upper limb.
1. Which of the following muscles is primarily responsible for the flexion of the forearm at the elbow joint?
Triceps brachii
Biceps brachii
Deltoid
Latissimus dorsi
2. The rotator cuff muscles are crucial for stabilizing which joint?
Elbow joint
Wrist joint
Shoulder joint
Carpometacarpal joint
3. The muscle is a large, triangular muscle that covers the shoulder joint and is responsible for abduction of the arm.
4. The and are the two primary muscles in the anterior compartment of the forearm responsible for wrist flexion.
5. Describe the primary function of the triceps brachii muscle and its antagonistic relationship with the biceps brachii.
6. Name two muscles that contribute to the supination of the forearm and briefly explain what supination means.
7. The pronator teres muscle is located in the posterior compartment of the forearm.
True
False
8. The pectoralis major muscle is considered one of the primary muscles of the upper limb.
True
False
9. Identify the labeled muscles in the diagram below.
A:
B:
C:
D:
Match each muscle with its primary action.
10. Deltoid
a. Forearm extension
11. Biceps brachii
b. Abduction of the arm
12. Triceps brachii
c. Forearm flexion
13. Brachialis
d. Powerful forearm flexor
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