Question 1

Which muscle is primarily responsible for dorsiflexion of the foot at the ankle joint?

Accepted Answer

Tibialis Anterior

Question 2

A patient presents with difficulty extending their knee and flexing their thigh. Which muscle is most likely affected?

Accepted Answer

Rectus Femoris

Question 3

The origin of the Vastus Lateralis muscle is located at which anatomical landmark?

Accepted Answer

Greater trochanter

Question 4

Which muscle acts to adduct the thigh and has its origin at the pubis and ischium?

Accepted Answer

Gracilis

Question 5

During a soccer game, a player injures the muscle that steadies the knee. Which muscle is most likely involved?

Accepted Answer

Tensor Fascia Latae

Question 6

If the Sartorius muscle is damaged, which of the following actions would be most impaired?

Accepted Answer

Flexion, abduction, and lateral rotation of the thigh

Question 7

Which muscle inserts on the medial tibia and is responsible for adducting the thigh?

Accepted Answer

Gracilis

Question 8

A runner complains of pain near the iliac crest and difficulty steadying their knee. Which muscle is most likely injured?

Accepted Answer

Tensor Fascia Latae

Question 9

Which muscle originates from the anterior iliac spine and inserts on the proximal tibia?

Accepted Answer

Sartorius

Question 10

A patient is unable to flex their thigh but can still extend their knee. Which muscle is most likely NOT functioning properly?

Accepted Answer

Rectus Femoris

Question 11

Which muscle has its insertion at the patella and tibial tuberosity and is involved in knee extension?

Accepted Answer

Rectus Femoris

Question 12

If a patient cannot dorsiflex their foot, which muscle is most likely compromised?

Accepted Answer

Tibialis Anterior

Question 13

Which muscle originates from the diaphysis of the femur and is involved in knee extension?

Accepted Answer

Vastus Medialis

Question 14

A patient presents with weakness in thigh adduction. Which muscle should be examined for injury?

Accepted Answer

Gracilis

Question 15

Which muscle is unique among the anterior thigh muscles for its action of lateral rotation of the thigh?

Accepted Answer

Sartorius

Question 16

A patient with an injury to the iliotibial tract would most likely have impaired function of which muscle?

Accepted Answer

Tensor Fascia Latae

Question 17

Which muscle is involved in both knee extension and thigh flexion, and has its origin at the anterior iliac spine?

Accepted Answer

Rectus Femoris

Question 18

A patient is unable to abduct their thigh. Which muscle is most likely affected?

Accepted Answer

Sartorius

Question 19

Which muscle inserts on the medial cuneiform and 1st metatarsal, and is responsible for dorsiflexion?

Accepted Answer

Tibialis Anterior

Question 20

If a patient has difficulty flexing their thigh and abducting it, which muscle is most likely injured?

Accepted Answer

Sartorius

Anterior Thigh and Leg Muscles: Origins, Insertions, and Actions

Study Guide - Practice Questions