Muscles of the Leg Worksheet
Explore the major muscles of the human leg, their functions, and how they contribute to movement with this Grade 8 science worksheet.
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Muscles of the Leg
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Read each question carefully and answer to the best of your ability. Use the provided diagram to help you identify the different muscles of the leg.
1. Which of the following muscles is primarily responsible for extending the knee joint?
Hamstrings
Quadriceps
Gastrocnemius
Tibialis anterior
2. The calf muscle, which helps with plantarflexion (pointing the toes), is called the:
Sartorius
Adductor magnus
Gastrocnemius
Gluteus maximus
3. The group of muscles on the back of the thigh that are responsible for flexing the knee and extending the hip are known as the .
4. The longest muscle in the human body, which runs down the length of the thigh, is the .
5. The quadriceps femoris group consists of four muscles located on the front of the thigh.
True
False
6. The Achilles tendon connects the soleus muscle to the heel bone.
True
False
7. Describe the primary function of the hamstring muscles. Name at least two muscles that belong to this group.
Match each leg muscle to its primary action.
8. Tibialis Anterior
a. Knee extension
9. Gastrocnemius
b. Dorsiflexion of the foot
10. Quadriceps
c. Plantarflexion of the foot