The video tutorial explains the innovation and function of the adductor brevis muscle, part of the adductor group of hip muscles. These muscles extend between the pelvis and the thigh, shaping the inner thigh. The adductor brevis originates at the anterior surface of the inferior ossis pubis ramus and inserts at the linea aspera. It is innervated by the anterior ramus of the obturator nerve, originating from the lumbar plexus. The muscle functions in the hip joint, supporting flexion and external rotation.

Which group of muscles is responsible for shaping the inner thigh?

• Abductor muscles

• Adductor muscles

• Flexor muscles

• Extensor muscles

Where does the adductor brevis muscle originate?

• Medial surface of the tibia

• Posterior surface of the femur

• Anterior surface of the inferior ossis pubis ramus

• Lateral surface of the fibula

What is the insertion point of the adductor brevis muscle?

• Linea aspera

• Greater trochanter

• Ischial tuberosity

• Lesser trochanter

Which nerve innervates the adductor brevis muscle?

• Tibial nerve

• Obturator nerve

• Femoral nerve

• Sciatic nerve

What is one of the functions of the adductor brevis muscle in the hip joint?

• Internal rotation

• Flexion

• Abduction

• Extension