Deck 25: Muscles of the Hip and Lower Limb

Question 1

The gluteus maximus, medius, and minimus muscles all have the same action (extension of the thigh at the hip).

Answer 1

False

Question 2

All of the major adductors of the thigh have origins on the

A) ilium.
B) ischium.
C) pubis.
D) greater trochanter of the femur.
E) linea aspera of the femur.

Answer 2

C

Question 3

All of the following are posterior leg muscles except the

A) gastrocnemius.
B) soleus.
C) popliteus.
D) extensor digitorum longus.
E) All of these are posterior leg muscles.

Answer 3

D

Question 4

What is/are the action(s) of the anterior leg muscles?

A) Plantar flexion of the foot and flexion of the toes
B) Inversion of the foot
C) Dorsiflexion of the foot and extension of the toes
D) Abduction of the leg
E) Eversion of the foot

Question 5

Where would you expect to find muscles that cause dorsiflexion of the foot?

A) Posterior side of the leg
B) Lateral side of the leg
C) Anterior side of the thigh
D) Anterior side of the leg
E) Medial side of the leg

Question 6

Why are the psoas major and the iliacus sometimes called the iliopsoas?

A) They join at their superior ends and have the same origin.
B) They are both innervated by the femoral nerve.
C) They join at their inferior ends and have the same insertion.
D) They both extend the thigh.
E) All of these are true.

Question 7

Which of the following is NOT true of the gastrocnemius muscle?

A) It has origins on the lateral and medial condyles of the femur
B) Its functions in dorsiflexion of the foot.
C) It inserts on the calcaneus by way of the calcaneal tendon
D) It functions in flexion of the knee.
E) All of these are true of the gastrocnemius muscle.

Question 8

Thigh muscles that attach to the medial side of the pelvis ________ the thigh at the hip joint.

A) flex
B) adduct
C) extend
D) abduct
E) abduct and rotate

Question 9

Some of the muscles of the hip and lower limb cross more than one joint.

Question 10

Looking at the names of these muscles, which one would you expect to insert on the distal phalanges of toes 2-5?

A) Flexor digitorum longus
B) Tibialis anterior
C) Flexor hallucis longus
D) Extensor pollicis longus
E) Fibularis longus

Question 11

Compared to the forearm, the leg has a greater number of muscles.

Question 12

The origins of the muscles that move the foot are on the femur, tibia, or fibula.

Question 13

What is the correct anatomical description of the leg?

A) Knee to ankle
B) Ankle to toes
C) Hip to knee
D) Hip to ankle
E) Sacrum to knee

Question 14

The muscles of the lower limb have a more limited range of motion than those of the upper limb.

Question 15

Which of the following muscles insert(s) on the patella?

A) Sartorius
B) Hamstring group
C) Soleus
D) Adductors of the thigh
E) Quadriceps femoris group

Question 16

From your study of images of the lower limb muscles, what is a retinaculum?

A) A band of connective tissue that holds a group of tendons in place
B) A group of tendons running in the same direction
C) A group of muscles with a common action
D) A group of muscles with a common insertion
E) A layer of dense connective tissue surrounding a muscle

Question 17

The quadriceps femoris group of muscles is innervated by the ________ nerve.

A) common fibular
B) tibial
C) superior gluteal
D) obturator
E) femoral

Question 18

Which of the following is NOT true of the hamstring group of muscles?

A) It consists of the biceps femoris, semitendinosus, and semimembranosus.
B) All of the hamstrings insert on both the tibia and the fibula.
C) All of the hamstrings cause flexion of the leg at the knee.
D) All of the hamstrings have origins on the ischial tuberosity, although the biceps femoris has an additional origin.
E) All of these are true of the hamstrings.

Question 19

Muscles that move the thigh at the hip joint have insertions on the

A) pelvis.
B) patella.
C) tibia and fibula.
D) sacrum and coccyx.
E) femur.

Question 20

Muscles that move the leg at the knee joint have origins on the

A) tibia.
B) patella.
C) tibia or fibula.
D) femur or hip bone.
E) fibula.