Muscles

Major Muscles of Human Body

Biceps (Biceps brachii)

Flexes and supinates forearm

Triceps (Triceps brachii)

Extends forearm

Frontalis

Raises eyebrows

gluteus maximus (Glutes)

Extends and laterally rotates the thigh.

Deltoids

Flexes, medially rotates, and abducts arm

Gastrocnemius

the muscle in the back part of the leg that forms the greater part of the calf

Hamstrings

Posterior thigh muscle that causes knee flexion

Pectoralis major (Pectorals,Pecs)

Adducts and medially rotates the arm; flexes and extends humerus

Latissimus dorsi (Lats)

Extends, adducts, and medially rotates the arm; draws the shoulder downward and backward

Quadriceps (Quads)

extend the leg at the knee joint and flex the thigh at the hip joint

Rectus Abdominus (Abdominals, Abs)

major spine flexor, forms 6 pack and translates to "straight muscle of abdomen"

Trapezius (Traps)

Elevates, depresses, retracts, and rotates the scapula; rotates the arm

obliques