Muskeln der unteren Extremität

This tutorial provides a comprehensive overview of the muscles in the lower extremity, including the hip, buttock, thigh, lower leg, and foot. It explains their functions in stabilization, locomotion, and movement, and categorizes them into groups based on their location and function. The video also highlights the unique characteristics of certain muscles and their roles in supporting the body's balance and stability.

What is the primary function of the muscles of the lower extremity?

• To regulate body temperature

• To stabilize and move the body

• To support respiratory functions

• To aid in digestion

Which muscle is known as the most powerful extensor of the hip joint?

• Iliacus

• Tensor fasciae latae

• Gluteus maximus

• Psoas major

The psoas minor muscle is present in what percentage of people?

• 100%

• 70-90%

• 30-60%

• 10-20%

Which muscle is part of the adductor group and also moves the knee joint?

• Pectineus

• Gracilis

• Adductor magnus

• Adductor longus

What is the main function of the quadriceps femoris muscle?

• Adduction of the thigh

• Flexion of the hip

• Extension of the knee

• Rotation of the ankle

Which muscle is known as the 'tailor's muscle' due to its function?

• Biceps femoris

• Vastus lateralis

• Sartorius

• Rectus femoris

What is the primary action of the tibialis anterior muscle?

• Inversion

• Eversion

• Dorsal flexion

• Plantar flexion

Which muscle supports the transverse arch of the foot?

• Extensor hallucis longus

• Soleus

• Flexor digitorum longus

• Fibularis longus

What is the main function of the triceps surae muscle?

• Flexion of the knee

• Extension of the toes

• Bending of the foot

• Rotation of the hip

Which muscle is primarily responsible for the flexion of the big toe?

• Extensor hallucis brevis

• Extensor digitorum brevis

• Flexor hallucis longus

• Flexor digitorum longus