Muscles of the Upper Limb
Explore the major muscles of the human arm and shoulder, understanding their functions and how they help us move.
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Muscles of the Upper Limb Worksheet
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Read each question carefully and answer to the best of your knowledge. Refer to the diagram of the human arm muscles to help you.
1. Which muscle is primarily responsible for bending your elbow?
Triceps
Biceps
Deltoid
Quadriceps
2. Which of these muscles is found on the back of your upper arm?
Biceps
Deltoid
Triceps
Pectoralis
3. The large muscle that forms the rounded contour of the shoulder is called the .
4. When you straighten your arm, the muscle contracts.
5. Muscles work in ; when one contracts, the other relaxes.
6. The biceps muscle is located on the back of the upper arm.
True
False
7. The deltoid muscle helps you lift your arm sideways.
True
False
8. Name two major muscles found in the upper arm and describe one function for each.
Study the diagram of the human arm muscles below:
9. Using the diagram, identify the muscle that would be contracting if you were pushing open a heavy door.