Muscles Of The Lower Extremity 1

41 Questions | By John_Mitchell_WV | Updated: Mar 22, 2022 | Attempts: 1116

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Welcome to the electronic human anatomy and physiology classroom of the 21st Century. This test will focus on the muscles and muscle groups of the lower extremity of the thigh, lower leg, and foot. The musculature, bony structure, and joints of the pelvic girdle function in locomotion and maintenance of stability. Please note the terms "action" and "function" have the same meaning. You will have an unlimited number of attempts to earn a good grade and improve test-taking skills. Each attempt will generate a new set of questions and re-order answers. I wish you good luck and earn high marks on this test.

Questions and Answers

1.

What is the action of the iliopsoas?
- A.
  
  Extends (dorsiflexes) foot
- B.
  
  Extends leg
- C.
  
  Flexes thigh
- D.
  
  Extends toes
- E.
  
  Adducts thigh
2.

What is the origin of the vastus intermedius?
- A.
  
  Illium
- B.
  
  Femur
- C.
  
  Ischium
- D.
  
  Tibia
- E.
  
  Fibula
3.

Biceps femoris has an action that flexes leg, and extends the thigh.
- A.
  
  True
- B.
  
  False
4.

What is action of the Gracilis muscle?
- A.
  
  Extends leg
- B.
  
  Flexes thigh
- C.
  
  Adducts thigh; flexes & adducts leg
- D.
  
  Flexes thigh and foot
- E.
  
  Extends thigh; flexes & abducts leg
5.

What muscle has the physical therapist placed his left hand during this exercise?
- A.
  
  Inferior Gastrocnemius
- B.
  
  Superior Gastrocnemius
- C.
  
  Medial Gastrocnemius
- D.
  
  Lateral Gastrocnemius
- E.
  
  Extensor digitorum longus
6.

What is the origin of the Gluteus medius as show in the image below?
- A.
  
  Hip
- B.
  
  Femur
- C.
  
  Tibia
- D.
  
  Ischium
- E.
  
  Tibia and fibula
7.

What is the happening to the calf muscles of the male patient in the image?
- A.
  
  Cramps
- B.
  
  Aches
- C.
  
  Atrophy
- D.
  
  Strain
8.

What is the origin and insertion of the biceps femoris?
- A.
  
  Ischium, femur and fibula
- B.
  
  Ilium and femur
- C.
  
  Hip and tibia
- D.
  
  Tibia and calcaneus
- E.
  
  Tibia, Fibula and Calcaneus
9.

What muscle will have the action of flexing the foot in plantar position?
- A.
  
  Vastus intermedius
- B.
  
  Peroneus
- C.
  
  Biceps femoris
- D.
  
  Gluteus medius
- E.
  
  Semimenbranosus
10.

What is the insertion of the semimembranosus that flexes leg and extends the thigh?
- A.
  
  Tibia
- B.
  
  Fibula
- C.
  
  Hip
- D.
  
  Ilium
- E.
  
  Phalanges
11.

Choose the three muscles which compose the hamstring group?
- A.
  
  Biceps femoris
- B.
  
  Gluteus medius
- C.
  
  Semimembranosus
- D.
  
  Gastrocnemius
- E.
  
  Senitendinosus
- F.
  
  Vastus medialis
12.

Which muscles compose the quadriceps femoris?
- A.
  
  Rector femoris
- B.
  
  Vastus Lateralis
- C.
  
  Vastus Medialis
- D.
  
  Vastus Intermedius
- E.
  
  Gracilis
- F.
  
  Soleus
- G.
  
  Extensor Digitorum Longus
13.

Identify the muscle labeled "E"
- A.
  
  Tibialis Anterior
- B.
  
  Vastus Intermedius
- C.
  
  Rectus Femoris
- D.
  
  Lumbricales
- E.
  
  Flexor digitorum brevis
14.

Identify the muscle labeled "F"
- A.
  
  Vastus Medialis
- B.
  
  Tensor Fascia Latia
- C.
  
  Vastus Lateralis
- D.
  
  Peroneus longus
- E.
  
  Soleus
15.

Identify the muscle labeled "C"
- A.
  
  Tibialis Anterior
- B.
  
  Extensor digitorum longus
- C.
  
  Fibularis longus
- D.
  
  Abductor digiti miniumi
16.

Identify the muscle labeled "A"
- A.
  
  Vastus medialis
- B.
  
  Rectus femoris
- C.
  
  Vastus lateralis
- D.
  
  Tensor fasciae latae
17.

Which muscles attach directly to the quadriceps tendon ONLY?
- A.
  
  Vastus medialis
- B.
  
  Vastus intermedius
- C.
  
  Vastus lateralis
- D.
  
  Rectus femoris
- E.
  
  Sartorius
18.

Where does sartorius insert distally?
- A.
  
  Quadriceps tendon
- B.
  
  Tibial tuberosity
- C.
  
  Anterior surface of tibia
- D.
  
  Fibular
- E.
  
  Lateral condyle
19.

Where does semitendinosus and semimembranosus insert?
- A.
  
  Tibia
- B.
  
  Fibula
- C.
  
  Humerus
- D.
  
  Metatarsal bones
- E.
  
  Tarsal
20.

What are the actions of gastrocnemius?
- A.
  
  Extends foot
- B.
  
  Plantar Flex ankle knee flexion (when not weight bearing)
- C.
  
  Dorsiflex foot
- D.
  
  Flexes big toe
21.

What is the insertion of Gastrocnemius and soleus?
- A.
  
  Through calcaneal tendon to calcaneous
- B.
  
  Calcaneus via calcaneal tendon
- C.
  
  Posterior & medial tibial surfce
- D.
  
  Navicular tuberosity
22.

How many muscles extends leg and/or flexes the thigh?
- A.
  
  5
- B.
  
  8
- C.
  
  9
- D.
  
  11
- E.
  
  13
23.

Identify the muscle labeled "D"
- A.
  
  Fibularis brevis
- B.
  
  Fibularis tertius
- C.
  
  Extensor digitorum longus
- D.
  
  Gracilis
- E.
  
  Sartorius
24.

What is the origin of the vastus medialis? (Hint: you may have to research medical dictionary for this question.)
- A.
  
  Anterior and lateral surfaces of body of femur
- B.
  
  Intertrochanteric line and medial lip of linea aspera of femur
- C.
  
  Anterior iliac spine
- D.
  
  Posterior pornator teres
- E.
  
  Anterior minimus
25.

Please identify three (3) muscles which compose the Iliopsoas. (Note: please choose three answers to receive full credit.)
- A.
  
  Psoas minor
- B.
  
  Iliacus
- C.
  
  Psoas major
- D.
  
  Tensor fasciae latae
- E.
  
  Gracilis