cranial aponeurosis
Frontalis (origin)
skin of eyebrows
Frontalis (insertion)
raise eyebrows
Frontalis (action)
frontal bone
Orbicularis oculi (origin)
tissue around eyes
Orbicularis oculi (insertion)
blink/close eyes
Orbicularis oculi (action)
maxilla
Orbicularis oris (origin)
tissue around mouth
Orbicularis oris (insertion)
close mouth
Orbicularis oris (action)
mandible (molars)
Buccinator (origin)
orbicularis oris
Buccinator (insertion)
sucking
Buccinator (action)
zygomatic bone
Zygomaticus (origin)
corner of lips
Zygomaticus (insertion)
smiling
Zygomaticus (action)
close jaw
Masseter and temporalis (origin - temporal bone, insertion - mandible)
CT of upper chest
Platysma (origin)
tissue around mouth
Platysma (insertion)
frowning
Platysma (action)
sternum and clavicle
Sternocleidomastoid (origin)
mastoid process
Sternocleidomastoid (insertion)
rotate neck
Sternocleidomastoid (action)
ribs #1-6
Pectoralis major (origin)
proximal humerus
Pectoralis major (insertion)
adducts and flexes humerus
Pectoralis major (action)
rib boarders
Intercostals (origin and insertion)
breathing mechanisms
Intercostals (action)
pubis
Rectus abdominus (origin)
ribs #5-7
Rectus abdominus (insertion)
flex vertebral column (bend over)
Rectus abdominus (action)
flexing sides of the body
External and internal oblique (action)
lower 8 ribs
External oblique (origin)
iliac crest
External oblique (insertion)
iliac crest
Internal oblique (origin)
ribs #9-12
Internal oblique (insertion)
iliac crest
Transverse abdominus (origin)
pubis
Transverse abdominus (insertion)
twist/turn side to side
Transverse abdominus (action)
occipital bone
Trapezius (origin)
clavicle
Trapezius (insertion)
extends neck
Trapezius (action)
lower spine
Latissimus dorsi (origin)
proximal humerus
Latissimus dorsi (insertion)
extend and adduct humerus
Latissimus dorsi (action)
vertebrae
Erector spinae (origin)
ribs
Erector spinae (insertion)
arch/extend back, posture
Erector spinae (action)
scapular spine
Deltoid (origin)
deltoid tuberosity
Deltoid (insertion)
abducts humerus
Deltoid (action)
scapula (corocoid process)
Biceps brachii (origin)
radial tuberosity
Biceps brachii (insertion)
distal humerus
Brachialis and Brachioradialis (origin)
proximal ulna
Brachialis (insertion)
styloid process of radius
Brachioradialis (insertion)
flex elbow
Biceps brachii, brachialis, and brachioradialis
proximal humerus
Triceps brachii (origin)
olecranon process
Triceps brachii (insertion)
extends elbow
Triceps brachii (action)
medial epicondyle of humerus)
Pronator teres (origin)
pronates arm
Pronator teres (action)
lateral epicondyle of humerus
Supinator (origin)
supinates arm
Supinator (action)
radius
Pronator teres and supinator (insertion)
metacarpals #2 and 3
Flexor carpi radialus (insertion)
metacarpal #5
Flexor carpi ulnaris (insertion)
middle phalanges #2-5
Flexor digitorum (insertion)
distal humerus
Flexor carpi radialis, ulnaris, and digitorum (origin)
flex wrist
Flexor carpi radialis, ulnaris, and digitorum (action)
humerus
Extensor carpi radialis (origin)
metacarpals
Extensor carpi radialis (insertion)
lateral epicondyle of humerus
Extensor carpi ulnaris (origin)
metacarpal #5
Extensor carpi ulnaris (insertion)
distal humerus
Extensor digitorum (origin)
distal phalanges #2-5
Extensor digitorum (insertion)
extend wrist
Extensor carpi radialis, ulnaris, and digitorum (action)
sacrum
Gluteus maximum (origin)
gluteal tuberosity
Gluteus maximum (insertion)
extends hip backwards
Gluteus maximum (action)
ilium
Gluteus medius (origin)
proximal femur
Gluteus medius (insertion)
abducts thigh
Gluteus medius (action)
lesser trochanter of femur
Iliopsoas (insertion)
proximal tibia
Sartorius (insertion)
iliac crest
Tensor faciae latae (origin)
iliotibial tract
Tensor faciae latae (insertion)
ilium
Iliopsoas and sartorius (origin)
flex hip forwards
Tensor faciae latae, iliopsoas, and sartorius (action)
medial tibia
Gracilis (insertion)
linea aspera (femur)
Adductor longus (insertion)
inferior pubic ramus
Gracilis and adductor longus (origin)
adduct thigh
Gracilis and adductor longus (action)
quadriceps
Vastus lateralis, intermedius, medialis, and rectus femoris
tibial tuberosity via patellar tendon
Quadriceps (insertion)
extend knee
Quadriceps (action)
femur
Vastus lateralis, intermedius, and medialis (origin)
pelvis
Rectus femoris (origin)
hamstrings
Biceps femoris, semitendinosus, and semimembranous
ischial tuberosity
Hamstrings (origin)
flex knee
Hamstrings (action)