DK - WOW! The Visual Encyclopedia of Everything

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Gastrocnemius muscle

pulls the Achilles

tendon to bend the

foot downwards

Intercostal

muscles move

the ribs during

breathing

Triceps brachii

straightens the

arm at the elbow

REAR MUSCLES

All muscles are given Latin names that describe

their size, location, shape, action, or other

feature. Working downwards from head to

feet, skeletal muscles at the rear of the body

keep the head upright, steady the shoulders,

keep the back upright to maintain posture,

pull the arms backwards and straighten them,

straighten the thighs at the hip, bend the

knees, and point the toes downwards.

Achilles tendon is the

thickest and strongest

tendon in the body

SURFACE MUSCLES

DEEP MUSCLES

Biceps femoris

muscle (one of

the “hamstrings”)

bends the leg at

the knee

Gluteus medius

muscle pulls thigh

out to the side

Peroneus longus

muscle arches

foot when

on tiptoe

Gluteus maximus

muscle straightens the

thigh at the hip when

standing or climbing

Latissimus dorsi pulls

arm backwards and

towards the body

1

2

3

Tibialis posterior

turns the foot

inwards

066_067_muscles.indd 67 10/01/19 2:26 PM