Major Muscles of the Body

Front

a muscle group consisting of four muscles that is located along the front of the thigh

Back

quadriceps (quads)

Front

back muscle of the upper leg

Back

hamstring

Front

muscles located on the back part of the lower leg

Back

Gastrocnemius (Calves)

Front

muscle group near the abdomen (stomach area)

Back

abdominals (Abs)

Front

chest muscles: pectorals (Pecs), obliques, quadriceps (quads), abdominals (Abs)

Back

pectorals (Pecs)

Front

front muscle of upper arm

Back

biceps

Front

back muscle of upper arm

Back

triceps

Front

side stomach/abdominal muscles

Back

obliques

Front

muscles of the upper back: gluteals (gluts), laterals (lats), deltoids, trapezius (trapezoid)

Back

trapezius (trapezoid)

Front

shoulder muscles: gluteals (gluts), laterals (lats), deltoids, trapezius (trapezoid)

Back

deltoids