Muscles of the Leg: Structure and Function

Muscles of the Leg: Structure and Function

Read each question carefully and provide detailed answers based on your knowledge of human leg muscles.

1. Which of the following muscles is primarily responsible for plantarflexion of the foot?

2. Which group of muscles extends the knee joint?

3. The primary muscle involved in dorsiflexion of the ankle is the  .

4. The   are a group of three muscles that form the posterior thigh and are responsible for knee flexion and hip extension.

5. The sartorius muscle is the longest muscle in the human body.

6. The gluteus maximus is primarily responsible for hip abduction.

7. Describe the main function of the quadriceps femoris muscle group and name its four individual muscles.

8. Explain the difference between an agonist and an antagonist muscle, providing an example from the leg muscles.

Match each muscle with its primary action.