frontalis

orbicularis occuli

orbicularis oris

risorius

buccinator (deep)

masseter

temporalis

pterygoid
...
mylohyoid

stylohyoid

digastric posterior

digastric anterior

sternohyoid

sternothyroid

sternocleidomastoid

suboccipital
...
scalenus anterior (scalenes)

scalenus medius (scalenes)

splenus capitis (splenius)

splenus cervicis (splenius)
...
diaphragm (prime mover)
...
internal intercostal

external intercostal

serratus posterior (superior part deep to rhomboids)

internal abdominal oblique

external abdominal oblique

rectus abdominus

transverse abdominus

quadratus lumborum (deep abdominal/deep back muscle)

erector spinae (deep spinal support and movement)

pectoralis major

pectoralis minor

serratus anterior

trapezius

levator scapulae

rhomboid major

rhomboid minor

latissimus dorsi

coracobrachialis

deltoid

teres major

teres minor (rotator cuff muscle)

supraspinatus (rotator cuff muscle)

infraspinatus (rotator cuff muscle)

subscapularis (rotator cuff muscle)

brachialis (primary forearm flexor; deep to biceps)

brachioradialis

biceps brachii

triceps brachii

triceps brachii lateral head

triceps brachii medial head

supinator (deep)

flexor carpi radialis

flexor carpi ulnaris

extensor carpi radialis longus

extensor carpi radialis brevis

extensor carpi ulnaris

flexor digitorum superficialis (intermediate)

extensor digitorum (communis)

extensor digitorum (minimi)

abductor pollicis longus

extensor pollicis longus

iliacus (deep)

psoas major (deep)

gluteus maximus

gluteus medius

gluteus minimus (not visible)
...
piriformis (deep; over sciatic nerve)

quadratus femoris (deep)

adductor longus

adductor magnus

pectineus (not visible)
...
tensor fascia lata

gracilis

sartorius

rectus femoris (quadriceps)

vastus lateralis (quadriceps)

vastus medialis (quadriceps)

vastus intermedius (quadriceps; intermediate)

semitendinosus (hamstrings)

semimembranosus (hamstrings)

biceps femoris (hamstrings; long and short heads)

popliteus (deep)

gastrocnemius

soleus (intermediate)

anterior tibialis

tibialis posterior

flexor digitorum longus

extensor digitorum longus

peroneus longus (fibularis)
