Muscles of facial expressions
|
Muscle |
Action |
|
Frontalis |
Raises eyebrows |
|
Orbicularis Oris |
Closes lips – “kissing muscle” |
|
Orbicularis Oculi |
Closes eyes – “winking muscle” |
|
Zygomaticus major |
Smile |
|
Zygomaticus minor |
Smile |
|
Levator labii superioris |
Elevates upper lip |
|
Depressor Labii Inferioris |
Depresses lower lip |
|
Depressor Anguli oris |
Depresses corners of mouth |
|
Risorius |
Draws lips laterally |
|
Levator Palpabrae superioris |
Lifts Eyelid |
Muscles that move
the eye
|
Muscle |
Action |
|
Superior Rectus |
Look superiorly |
|
Inferior Rectus |
Look inferiorly |
|
Medial Rectus |
Look medial |
|
Lateral Rectus |
Look lateral |
|
Superior Oblique |
Rotates superior medially |
|
Inferior Oblique |
Rotates inferior medially |
Other Cephalic muscles
|
Muscles
that elevate the mandible |
Muscles
that move the tongue |
Muscles
that flex head |
Muscles
that extend the head |
|
Masseter |
Genioglossus |
Sternocleidomastoid |
Splenius |
|
Temporalis |
Hyoglossus |
Anterior scalene |
Trapezius |
|
Medial Pterygoid |
Palatoglossus |
Middle scalene |
Longissimus capitis |
|
Lateral Pterygoid |
Styloglossus |
Poserior scalene |
Semispinalis capitis |
|
Muscles
that flex the trunk and compress abdomen |
Muscles
that extend the trunk |
|
External Oblique |
Erector spinae |
|
Internal Oblique |
Interspinales |
|
Rectus abdominis |
Semispinalis Thoracis |
|
Transverse abdominis |
|
Muscles that move
pectoral girdle
|
Elevate
scapula |
Depress
scapula |
Adducts
Scapula |
Elevates
clavicle |
Depresses
clavicle |
|
Levator scapulae |
Pectoralis minor |
Trapezius |
Trapezius |
Subclavius |
|
Trapezius |
Trapezius |
Rhomboid major |
|
|
|
|
|
Rhomboid minor |
|
|
Muscles that move
the humerus
|
Flexion |
Extension |
Abduction |
Adduction |
|
Pectoralis major |
Latissimus dorsi |
Deltoid |
Latissimus dorsi |
|
Deltoid |
Deltoid |
Supraspinatus |
Coracobrachialis |
|
Coracobrachialis |
Teres major |
|
Teres major |
Muscles that move
antebrachial
|
Flexion |
Extension |
Pronation |
Suppination |
|
Biceps brachii |
Triceps brachii |
Pronator teres |
Suppinator |
|
Brachialis |
|
Pronator quadratus |
|
|
Brachioradialis |
|
|
|
Muscles that move
wrist
|
Flexion |
Extension |
Abduction |
Adduction |
|
Flexor carpi radialis |
Extensor carpi radialis longus |
Extensor carpi radialis longus |
Extensor carpi ulnaris |
|
Palmaris longus |
Extensor carpi radialis brevis |
Extensor carpi radialis brevis |
Flexor carpi ulnaris |
|
Flexor carpi ulnaris |
Extensor carpi ulnaris |
Flexor carpi radialis |
|
Muscles that move fingers
|
Flexion |
Extension |
|
Flexor digitorum superficialis |
Extensor digitorum |
|
Flexor digitorum profundus |
Extensor pollicis longus (thumb) |
|
Flexor pollicis longus (thumb) |
Extensor pollicis brevis (thumb) |
Muscles that move the femur
|
Flexion |
Extension |
Abduction |
Adduction |
|
Iliacus |
Gluteus maximus |
Gluteus medius |
Adductor brevis |
|
Psoas major |
Biceps femoris |
Gluteus minimis |
Adductor longus |
|
Rectus femoris |
Semitendinosus |
Piriformis |
Adductor magnus |
|
Pectineus |
Semimembranosus |
|
Gracilis |
|
Tensor fasciae latae |
|
|
Pectineus |
Muscles that move the crural
|
Flexion |
Extension |
|
Biceps femoris |
Rectus femoris |
|
Semitendinosus |
Vastus lateralis |
|
Semimembranosus |
Vastus intermedius |
|
Sartorius |
Vastus medialis |
|
Popliteus |
|
Muscles that move the foot
|
Dorsi
Flexion |
Plantar
flexion |
Eversion |
Inversion |
|
Tibialis anterior |
Gastrocnemius |
Peroneus longus |
Tibialis anterior |
|
|
Soleus |
Peroneus brevis |
|
|
|
Peroneus longus |
|
|
|
|
Peroneus brevis |
|
|
Muscles that move the toes
|
Flexion |
Extension |
|
Flexor digitorum longus |
Extensor digitorum longus |
|
Flexor hallucis longus (Big toe) |
Extensor hallucis longus (Big toe) |