parts of muscular system

Question 1

triceps brachii

Answer 1

straightens the forearm at elbow

Question 2

pectorals major

Answer 2

draws the arm forward

Question 3

rectus abdominis

Answer 3

depresses the thoratic (chest) cavity, compresses the abdomen, bends the backbone

Question 4

quadriceps femoris

Answer 4

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

Question 5

tibials anterior

Answer 5

flexes the foot toward the shin

Question 6

deltoid

Answer 6

raises the arm

Question 7

trapezius

Answer 7

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

Question 8

latissimus dorsi

Answer 8

rotates and draws the arm bacward and toward the body

Question 9

gluteus maximus

Answer 9

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

Question 10

gastrocnemius

Answer 10

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