Muscle practical Flashcards
obicularis oculi origins
frontal and maxilla
obicularis oculi insertion
tissue of the eyelid
obicularis oculi action
close the eye
obicularis oris origins
maxilla and mandible
obicularis oris insertion
skin at the angle of mouth
obicularis oris action
close, purse lips
masseter origin
zygomatic arch
masseter insertion
mandibular ramus
masseter action
close the jaw
sternocleidomastiod origin
manubrium and clavicle
sternocleidomastiod insertion
mastiod process
sternocleidomastiod action
flex and laterally rotate head
external intercostals origin
inferior border of the superior rib
external intercostals insertion
superior border of the inferior rib
external intercostals action
elevate the rib cage during inhalation
internal intercostals origin
superior border of the inferior rib
internal intercostals insertion
inferior border of the superior rib
internal intercostals action
depress rib cage during exhalation
rectus abdominis origin
rubic symphysis
rectus abdominis insertion
xiphoid process and costal cartilage
rectus abdominis action
flex and rotate the lumbar spine
external oblique origin
lower 8 ribs
external oblique insertion
linea albea
external oblique action
compress abdominal wall and allow trunk rotation
serratus anterior origin
ribs 1-8
serratus anterior insertion
medial broder of scapula
serratus anterior action
rotate scapula
trapezius origin
occipital bone and spinour process of c7-t12
trapezius insertion
acromion and scapular spine
trapezius action
raise, rotate and retract scapula
pectoralis major origin
clavicle, sternum, and costal cartilage
pectoralis major insertion
greater tubercle
pectoralis major action
flexation, adduction, and medial rotation
deltoid origin
clavicle and acromion
deltoid insertion
deltoid tuberosity
deltoid action
arm abduction
lattissimus dorsi origin
thoracic and lumbar vertebrae, ribs and illiac crest, inferior scapula
lattissimus dorsi insertion
intertubercular culus of humerus
lattissimus dorsi action
extends and adducts and medially rotates the arm
triceps brachii origin
scapula and posterior humerus
triceps brachii insertion
olecranon process
triceps brachii action
forearm extensor
biceps brachii origin
coracoid process
biceps brachii insertion
radial tuberosity
biceps brachii action
elbow flexion
brachialis origin
distal humerus
brachialis insertion
coranoid process
brachialis action
elbox flexion
brachioradialis origin
distal humerus
brachioradialis insertion
styloid process of radius
brachioradialis action
forearm flexor
sartorius origin
anterior illiac spine
sartorius insertion
proximal tibia
sartorius action
flex and abduct thigh
gracilis origin
pubis and ischium
gracilis insertion
medial tibia
gracilis action
adduct and flex thigh
rectus femoris origin
anterior illiac spine
rectus femoris insertion
patella and tibial tuberosity
rectus femoris action
flex thigh and extend knee
vastus lateralis origin
greater trochanter
vastus medialis origin
linea aspera
tensor fasciae latae origin
iliac crest
tensor fasciae latae insertion
iliotibial ?
tensor fasciae latae action
steady the knee
gluteus maximus origin
scarum, coccyx, ilium
gluteus maximus insertion
near the greater trochanter of the femur
gluteus maximus action
thigh extension
gluteus medius origin
iliac crest
gluteus medius insertion
near the greater trochanter of the femur
gluteus medius action
abduct and medially rotate the thigh
Biceps femoris origin
ischial tuberosity
Biceps femoris insertion
fibula
Biceps femoris action
flex knee and extend thigh
semitendinosus origin
ischial tuberosity
semitendinosus insertion
tibia
semitendinosus action
flex knee and extend thigh
tibialis anterior origin
tibia
tibialis anterior insertion
first metatarsal and medial cuneiform
tibialis anterior action
dorsiflexion
soleus origin
tibia and fbula
soleus insertion
calcaneus
soleus action
plantar flexion
gastrocnemius origin
condyles of femur
gastrocnemius insertion
calcaneus
gastrocnemius action
plantar flexion