-
frontalis origin
occipital bone
-
frontalis insertion
tissues of eyebrows
-
frontalis function
raises eyebrows - surprise!
-
temporalis origin
temporal bone
-
temporalis insertion
madible
-
temporalis function
closes jaw
-
masseter origin
zygomatic arch
-
masseter insertion
mandible
-
masseter function
closes jaw
-
two muscles that close jaw
temporalis and masseter
-
sternocleidomastoid origin
sternum; clavicle
-
sternocleidomastoid insertion
mastoid process of temporal bone
-
sternocleidomastoid function
flexes head - prayer muscle
-
pectoralis major origin
clavicle, sternum
-
pectoralis major insertion
humerus
-
pectoralis major function
flexes and adducts upper arm
-
rectus abdominis origin
pubic bon
-
rectus abdominis insertion
xiphoid process of sternum
-
rectus abdominis funtion
flexes lumbar region to allow bending forward
-
external oblique origin
ribs
-
external oblique insertion
pelvis
-
external oblique function
stabalizes spine
-
internal oblique origin
pelvis
-
internal oblique insertion
ribs
-
internal oblique function
stabilize spine to maintain posture; permits rotation at waist
-
transversus abdominus origin
ribs; pelvis
-
transversus abdominus insertion
pubic bone, linea alba
-
transversus abdominus function
compresses contents of abdomen
-
external intercostals origin
rib
-
external intercostals insertions
ribs
-
external intercostals functions
elevate ribs
-
internal intercostal origin
rib
-
internal intercostal insertion
ribs
-
internal intercostal function
depress ribs
-
latissimus dorsi origin
vertebrae
-
latissimus dorsi insertion
humerus
-
latissimus dorsi function
adducts and extends the arm backwards
-
trapezius origin
occipital bone; vertebrae
-
trapezius insertion
clavicle; scapula
-
trapezius function
raises/lowers shoulders
-
deltoid origin
clavicle, scapula
-
deltoid insertion
humerus
-
deltoid function
abducts, flexes, and rotates arm
-
brachialis origin
humerus
-
brachialis insertion
ulna
-
brachialis function
flexes the forearm
-
brachioradialis origin
humerus
-
brachioradialis insertion
radius
-
brachioradialis function
helps flex forearm
-
triceps brachii origin
scapula; humerus
-
triceps brachii insertion
ulna
-
triceps brachii function
extends the forearm
-
gluteus maximus origin
ilium
-
gluteus maximus insertion
femur
-
gluteur maximus function
extends and rotates the thigh outward
-
gluteus medius origin
ilium
-
gluteus medius insertion
femur
-
gluteus medius function
adducts and rotates the thigh outward
-
sartorius origin
iliac spine
-
sartorius insertion
tibia
-
sartorius function
adducts/flexes leg; permits sitting cross-legged
-
-
-
iliopsoas function
flexes the thigh
-
quadraceps femoris origin
ilium; femur
-
quadraceps femoris insertion
tibia
-
quadraceps femoris function
flexes thigh. extends leg
-
hamstrings origin
ischium; femur
-
hamstrings insertion
fibula; tibia
-
hamstrings function
extends the thigh
-
gastrocnemius origin
femur
-
gastrocnemius insertion
calcaneus
-
gastrocnemius function
plantar flexion of foot
-
tibialis anterior origin
tibia
-
tibialis anterior insertion
tarsal bone
-
tibialis anterior function
dorsiflexion of the foot
-
fibularis longus origin
tibia, fibula
-
fibularis longus insertion
phalanges
-
fibularis longus function
dorsiflexion of the foot
-
-
soleus insertion
calcaneus
-
soleus function
plantar flexion of foot
-
achilles tendon origin
gastrocnemius and soleus
-
achilles tendon insertion
calcaneus (heelbone)
-
achilles tendon function
strongest tendon, athletic injuries, vulnerable to sudden stress, sprinting
|
|
