Muscle Actions and Functions

This video tutorial provides a comprehensive overview of the muscles in the leg, starting from the hip flexors like the psoas major and iliacus, moving through the quadriceps and gluteal muscles, and ending with the hamstrings, adductors, and lower leg muscles. Each muscle's function, such as flexion, extension, rotation, and abduction, is explained in detail, highlighting their roles and interactions.

Which muscle is primarily responsible for flexion at the hip?

• Sartorius

• Psoas Major

• Gluteus Maximus

• Vastus Lateralis

What is one of the functions of the Sartorius muscle?

• Extension at the knee

• Medial rotation

• Flexion at the knee

• Adduction at the hip

Which muscle group is responsible for knee extension?

• Hamstrings

• Gluteal Muscles

• Quadriceps Femoris

• Adductors

What action is performed by the gluteus maximus?

• Abduction at the hip

• Extension at the hip

• Flexion at the knee

• Flexion at the hip

Which muscle is involved in lateral rotation of the hip?

• Adductor Longus

• Rectus Femoris

• Piriformis

• Soleus

What is the primary function of the hamstring muscles?

• Flexion at the knee

• Extension at the knee

• Adduction at the hip

• Medial rotation

Which muscle is responsible for adduction at the hip?

• Tensor Fasciae Latae

• Sartorius

• Adductor Magnus

• Gluteus Medius

What action does the tibialis anterior perform?

• Dorsiflexion

• Eversion

• Adduction

• Plantar flexion

Which muscle assists in plantar flexion of the foot?

• Gastrocnemius

• Tibialis Anterior

• Piriformis

• Adductor Longus

What is the function of the extensor digitorum longus?

• Inverts the foot

• Extends the digits

• Adducts the hip

• Flexes the digits