Upper Limb Muscles Worksheet

Upper Limb Muscles: Anatomy and Function

Read each question carefully and answer to the best of your knowledge. Some questions may require you to refer to the provided diagram.

1. Which of the following muscles is primarily responsible for the flexion of the forearm?

2. The deltoid muscle is primarily responsible for which action at the shoulder joint?

1. The   muscle is located on the posterior aspect of the upper arm and extends the forearm.

2. The rotator cuff is a group of four muscles that stabilize the   joint.

3. The forearm muscles are divided into anterior and posterior compartments, primarily responsible for wrist and finger  .

1. Briefly describe the main function of the biceps brachii muscle.

2. Name two muscles that contribute to the movement of the shoulder blade (scapula).

1. The anconeus muscle helps to extend the elbow.

2. The pronator teres muscle supinates the forearm.

Refer to the diagram below showing the muscles of the human arm (posterior view) to answer the following question.

1. Identify and label two muscles visible in the provided posterior view of the arm, and state one action for each.