Muscle Actions

Which of the following muscles ABDUCTS the arm? (Raises arm upwards to the sides)

• Pectoralis Major

• Latissimus Dorsi

• Deltoid

• Triceps

The Pectoralis Major is responsible for flexion of the arm. This motion is used commonly in

• Sit Ups

• Push Ups

• Pull Ups

• Planks

The action of this muscle flexes (brings forward) the arm at the shoulder.

• Biceps brachii

• Pectoralis major

• Trapezius

• Triceps brachii

The action of this muscle is extension or straightening at the elbow.

• Pectoralis major

• Deltoid

• Biceps

• Triceps

What part of the body does the gastrocnemius move?

• hand

• wrist

• hip

• foot

Which muscle flexes your head downward?

• masseter

• Latissimus Dorsi

• Trapezius

• sternocleidomastoid

Action of the quadriceps? Check all that apply (2 movements)

• extends leg at knee

• extends thigh at hip

• flexes leg at knee

• flexes thigh at hip

What muscle is responsible for flexing, rotating and ABducting at the hip? (Criss Cross muscle)

• Adducter Muscles

• Deltoid

• Sartorius

• Hamstring

What muscles are responsible for flexion (bending) at the knee?

• Iliopsoas

• Quadriceps

• Hamstrings

• Biceps Brachii

What muscle is responsible for elevation (shrugging) of the shoulders?

• Trapezius

• Latissimus Dorsi

• Erector Spinae

• Deltoid