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Occipitalis
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pulls scalp posteriorly (occipital and temporal bone)
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Frontalis
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elevates eyebrows (epicranial aponeurosis)
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Temporalis
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closes jaw (zygomatic bone)
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Buccinator
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compress cheeks (alveolar process of maxilla/mandible)
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Mentalis
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Elevates lower lip (incisive fossa of mandible)
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Orbicularis Oculi
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closes eyes (orbit)
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Orbicularis oris
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Purses lips (mandible)
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Levator labii superioris
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Elevates upper lips (inferior margin of orbit)
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Masseter
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closes jaw (zygomatic arch)
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Zygomaticus major
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retracts and elevates corners of mouth (zygomatic bone)
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Sternocleidmastoid
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Together: Flex neck. Alone:turns face to opposite side (sternal end of clavicle and manubrium)
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Digastric
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depressed mandible (inferior surface of mandible/temporal bone)
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Platysma
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depresses mandible (acromion of scapula)
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Depressor labii inferioris
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depresses lower lip (mandible)
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Mylohyoid
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elevates hyoid bone (mandible)
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Coracobrachialis
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flexion and abduction of arm (coracoid process of scapula)
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Biceps brachii
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flexion of forearm
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Triceps brachii
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forearm extension
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Brachioradialis
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forearm flexion
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Brachialis
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flexes forearm
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Tibialis anterior
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prime mover of dorsiflexion
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Extensor digitorum
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extends fingers
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Extensor digitorum
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extends toes
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Extensor digitorum
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extends fingers
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Extensor digitorum
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extends toes
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Pectoralis major
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prime mover of arm flexion (sternal end of clavicle)
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Pectoralis minor
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Protracts and rotates scapula downward (ribs 3-5)
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Trapezius
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Stabilizes, elevates, and rotates scapula (occipital bone)
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Internal intercostal
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depression of rib cage (superior border of rib cage)
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External intercostal
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elevation of rib cage (inferior border of rib cage)
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Diaphragm
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prime mover of inspiration (inferior surface of rib cage)
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Serratus anterior
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rotates scapula upward (anterior surface of scapula)
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Rhomboids
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stabilizes scapula (spinous process of C7 and T1)
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Rectus abdominus
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Flex and rotates lumbar region of vertebral column
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Internal oblique
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compress abdominal wall
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External oblique
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compress abdominal wall
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Subscapularis
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medial rotation of arm
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Latissimus dorsi
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prime mover of arm extension
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Supraspinatus
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Initiates abduction of arm (near traps)
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Infraspinatus
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laterally rotates arm (scapula)
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Teres major
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extends and medially rotates and adducts arm
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Deltoid
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prime mover of arm abduction (acromion and spine of scapula)
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Gastrocnemius
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Plantar flexion of foot
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Soleus
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Plantar flexion of foot (deep)
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Pronator teres
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pronates forearm (medial epicondyle of humerus)
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Palmaris longus
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tenses skin of palm during hand movement (medial epicondyle of humerus)
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Flexor carpi radialis
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flexion of hand
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Flexor carpi ulnaris
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Flexes and adducts hand
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Extensor carpi radialis longus
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extends hand
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Extensor carpi radialis brevis
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extends and abducts hand
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Extensor carpi ulnaris
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extends hand
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Adductor pollicis
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adducts and helps oppose the thumb
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Extensor pollicis brevis
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Extends thumb
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Sartorius
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flexes and abducts thigh
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Pectineus
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Adducts and medially rotates thigh
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Adductor longus
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Adducts and medially rotates thigh
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Adductor magnus
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Adducts and medially rotate and flexes thigh
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Gracilis
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adducts thigh, flexes and medially rotates the leg
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Rectus femoris
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extends leg and flexes thigh
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Vastus lateralis
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extends leg and stabilizes knee
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Vastus intermedius
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extends leg
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vastus medialis
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extends leg
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Gluteus maximus
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extends thigh
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Gluteus medius
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abducts and medially rotates thigh
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Biceps femoris
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Extends thigh and flexes leg
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Semitendinosus
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extends thigh and flexes leg
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Semimembranosus
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extends thigh and flexes leg
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