Muscles Exam

Question 1

Digastric

Answer 1

opens/lowers jaw

Question 2

orbiclularis oris

Answer 2

puckers mouth “kissing muscle”

Question 3

sartorius

Answer 3

crosses legs (only muscle that crosses from the hip to the knee joint)

Question 4

soleus

Answer 4

points toes down (ballerina toes) located on the back of the leg

Question 5

zygomaticus

Answer 5

pull mouth into a smile

Question 6

abduction-adduction

Answer 6

abduction: brings closer to midline

Adduction: ores further away from midline

Question 7

depression-elevation

Answer 7

Depression: zygomatic opens the jaw

Elevation: zygomatic closes the jaw

Question 8

extension-flexion

Answer 8

Extension: increases angle

Flexion: decreases angle

Question 9

origin-insertion

Answer 9

Origin: beginning (less movable) proximal attachment

Insertion:distal attachment (more movable)

Question 10

plantar flexion-dorsiflexion

Answer 10

Plantar Flexion: point your toes down Dorsiflexion: point your toes up

Question 11

Be able to name the four muscles of the quadriceps femoris complex

Answer 11

• Rectus Femoris (top of thigh)
• Biceptus Femoris (bottom of thigh)
• Vastus Lateralis
• Vastus Medialis
• Vastus Intermedius