Head & Neck Muscles
Torso Muscles
Arm & Shoulder Muscles
Leg & Glute Muscles
Muscle Actions & Movements
100

This muscle raises your eyebrows.

What is frontalis?

100

This “six-pack” muscle flexes the waist and assists with bending over to touch your toes. 

What is rectus abdominis?

100

This muscle abducts the arm and inserts on the deltoid tuberosity.

What is deltoid?

100

This muscle performs dorsiflexion.

What is tibialis anterior?

100

This movement increases the angle at a joint, like straightening the knee.

What is extension?

200

Known for squinting, this muscle surrounds the eye and attaches to the lacrimal bone.

What is orbicularis oculi?

200

This deep core muscle helps with ipsilatera rotation; For example when in the yoga triangle pose.

What is internal abdominal oblique?

200

This muscle laterally rotates the arm and originates from the infraspinous fossa.

What is infraspinatus?

200

This large muscle is responsible for leg extension. 

What is Gluteus Maximus?

200

This movement brings a limb toward the midline.

What is adduction?

300

This muscle is active when you "smooch".

What is orbicularis oris?

300

This fan-shaped muscle flexes and adducts the arm and is used in hugging.

What is pectoralis major?

300

This rotator cuff muscle abducts the arm and originates from the supraspinous fossa.

What is supraspinatus?

300

This calf muscle performs plantar flexion during repetitive movements like walking.

What is soleus?

300

This movement turns the palm from facing down to facing up.

What is supination?

400

This chewing muscle originates from the zygomatic arch and inserts on the mandibular ramus.

What is masseter?

400

This muscle slouches your shoulders forward by moving the scapula anteriorly.

What is pectoralis minor?

400

This muscle flexes the elbow during powerful movements and attaches to the ulna.

What is brachialis?

400

These two muscles are responsible for leg adduction. 

What is Adductor longus and Gracilis?

400

Grasping thumb movement that brings the tip of the thumb in contact with the tip of a finger.

What is opposition?

500

This muscle causes ipsilateral head flexion, like turning your head to look over your shoulder.

What is sternocleidomastoid?

500

These two muscles play a huge role in ventilation.

What is external intercostals and internal intercostals? 

500

This muscle extends the elbow and inserts on the olecranon.

What is triceps brachii?

500

This calf muscle also performs plantar flexion but during powerful movements like jumping. 

What is Gastrocnemius?

500

This movement of scapula occurs when the shoulder is moved forward, as when pushing against something or throwing a ball.

What is protraction?