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Questions and Answers
Which muscles belong to the anterior thigh?
What is the primary nerve innervating the muscles of the anterior thigh?
Which of the following muscles is NOT part of the posterior thigh?
Which group of muscles is referred to as the Triceps Surae?
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Which statement about the muscles listed is true?
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Study Notes
Muscles of the Lower Extremity
- Muscle Groups: Lower extremity muscles include groups categorized by location: anterior thigh, posterior thigh, gluteal region, extrinsic foot muscles, and intrinsic foot muscles.
Muscles of the Anterior Thigh
- Vastus Medialis, Vastus Lateralis, Vastus Intermedius: Key muscles responsible for knee extension.
- Innervation: All innervated by the Femoral nerve (L2 - L4), which plays a crucial role in motor function of the anterior thigh.
Muscles of the Posterior Thigh
- Semimembranosus and Semitendinosus: Important for knee flexion and medial rotation of the hip.
Muscles of the Gluteal Region
- Comprises 9 muscles, which contribute to hip movements and stabilization.
Extrinsic Muscles of the Foot
- Gastroc-Soleus Complex: Known as Triceps Surae, essential for plantar flexion of the foot.
Intrinsic Muscles of the Foot
- Provides stabilization and movement control for the toes, enhancing balance and mobility.
Review Date
- Content updated and reviewed as of 5/18/22.
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Description
Test your knowledge on the origins, insertions, functions, and innervation of lower extremity muscles in the PT Assistant Program. This quiz focuses on the muscles of the anterior and posterior thigh, as well as their associated nerves. Perfect for students looking to reinforce their understanding of muscle anatomy.
