Muscles Chapter 33

Question 1

Triceps Brachii

Answer 1

Straightens the forearm at the elbow

Question 2

Pectoralis Major

Answer 2

Draws the arm forward and in toward the body

Question 3

Serratus Anterior

Answer 3

Draws shoulder blade foreword, helps raise arm, assists in pushes

Question 4

External Oblique

Answer 4

Compresses the abdomen, assists in lateral rotation of the torso

Question 5

Rectus Abdominis

Answer 5

Depresses the thoracic (chest) cavity, compresses the abdomen, bends the backbone

Question 6

Adductor Longus

Answer 6

Flexes, laterally rotates, and draws the thighs toward the body

Question 7

Sartorius

Answer 7

Bends the thigh at the hip, bends lower leg at the knee, rotates the thigh in an outward direction

Question 8

Quadriceps Femoris

Answer 8

Flexes the thigh at hips, extends the leg at the knee

Question 9

Tibialis Anterior

Answer 9

Flexes the foot toward the shin

Question 10

Biceps Brachii

Answer 10

Bends the forearm at the elbow

Question 11

Deltoid

Answer 11

Raises the arm

Question 12

Trapezuis

Answer 12

Lifts the shoulder blade, braces the shoulder, draws the head back

Question 13

Latissimus Dorsi

Answer 13

Rotates and draws the arm backward and towards the body

Question 14

Gluteus Maximus

Answer 14

Extend and rotates the thigh outward when walking, running, and climbing

Question 15

Biceps Femoris

Answer 15

(Hamstring Muscle) Draws thigh backward, bends the knees

Question 16

Gastrocinemius

Answer 16

Bends the lower leg at the knee when walking, extends the foot when jumping

Question 17

Achilles tendon

Answer 17

Just there