Question 1

Which muscle is NOT part of the hamstring group in the posterior thigh compartment?

Accepted Answer

Rectus femoris

Question 2

A patient presents with weakness in hip flexion and knee extension. Which muscle is most likely affected?

Accepted Answer

Rectus femoris

Question 3

The iliotibial tract is a thickened band of deep fascia that runs down the lateral thigh. Which muscle inserts into the iliotibial tract and helps stabilize the knee?

Accepted Answer

Tensor fasciae latae

Question 4

Which of the following muscles is responsible for both flexing the hip and laterally rotating the thigh, and forms part of the border of the femoral triangle?

Accepted Answer

Sartorius

Question 5

A soccer player suffers an injury to the medial thigh compartment. Which movement would most likely be weakened?

Accepted Answer

Adduction of the femur

Question 6

Which muscle originates from the iliac fossa and inserts onto the lesser trochanter of the femur, acting as a primary hip flexor?

Accepted Answer

Iliacus

Question 7

The femoral triangle is an important anatomical region. Which muscle forms its lateral border?

Accepted Answer

Sartorius

Question 8

Which of the following best describes the common action of the gluteus medius and gluteus minimus muscles?

Accepted Answer

Abduction and medial rotation of the hip

Question 9

A patient is unable to extend their knee after a traumatic injury. Which muscle group is most likely damaged?

Accepted Answer

Quadriceps femoris

Question 10

Which muscle is the only quadriceps muscle that crosses both the hip and knee joints, and what is its action at the hip?

Accepted Answer

Rectus femoris; flexes the hip

Question 11

During a clinical exam, a patient is asked to abduct their thigh. Which muscle group is primarily responsible for this movement?

Accepted Answer

Gluteal muscles

Question 12

Which of the following statements about the deep gluteal muscles is correct?

Accepted Answer

They are mainly responsible for lateral rotation of the hip

Question 13

A patient with an injury to the obturator nerve would most likely have difficulty with which movement?

Accepted Answer

Adduction of the thigh

Question 14

Which muscle is described as strap-shaped, originates from the anterior superior iliac spine (ASIS), and is involved in crossing the legs?

Accepted Answer

Sartorius

Question 15

If a person is unable to laterally rotate their thigh at the hip, which group of muscles is most likely affected?

Accepted Answer

Deep gluteal muscles (lateral rotators)

Question 16

Which of the following is NOT a function of the gluteus maximus muscle?

Accepted Answer

Medial rotation of the hip

Question 17

A runner experiences pain in the lateral thigh and is found to have tightness in the iliotibial tract. Which muscle, if overactive, could contribute to this condition?

Accepted Answer

Tensor fasciae latae

Question 18

Which muscle originates from the ischial tuberosity and inserts on the medial condyle of the tibia, and is involved in both hip extension and knee flexion?

Accepted Answer

Semimembranosus

Question 19

Which of the following best describes the arrangement of the quadriceps femoris muscle group?

Accepted Answer

Four muscles with a common insertion on the patella and tibial tuberosity

Question 20

A patient is unable to adduct their thigh and has numbness along the medial aspect of the thigh. Which nerve is most likely injured?

Accepted Answer

Obturator nerve

Myology of the Hip & Thigh: Structure, Function, and Key Muscles

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