Shared Flashcard Set

Details

Muscular System
Muscles and thier Origins/Insertions/Actions
30
Anatomy
Undergraduate 1
04/08/2012

Additional Anatomy Flashcards

 


 

Cards

Term
orbicularis oculi
Definition

origin: frontal bone, maxilla bone

insertion: tissue of eyelid

action: close eyes

Term
orbicularis oris
Definition

origin: maxilla bone, mandible bone

insertion: skin at angles of mouth

action: close lips

 

Term
masseter
Definition

origin: zygomatic arch

insertion: mandibular ramus

action: close jaw

 

Term
sternocleidomastoid
Definition

origin: manubrium, clavicle

insertion: mastoid process

action: flex, laterally rotate head

Term
external intercostals
Definition

origin: inferior border of the superior rib

insertion: superior border of the inferior rib

action: elevates ribcage for inhailation

 

Term
inferior intercostals
Definition

origin: superior border of the inferior rib

insertion: inferior border of the superior rib

action: depression of ribcage for exhalation

Term
rectus abdominis
Definition

origin: pubic symphisis

insertion: xiphoid process, intercostal cartilage

action: flex, rotate lumbar spine

Term
external oblique
Definition

origin: lower 8 ribs

insertion: linea albea

action: compress abdominal wall, trunk rotation

 

Term
serratus anterior
Definition

origin: ribs 1-8

insertion: medial border of scapula

action: rotate scapula

Term
trapezius
Definition

origin: occipital bone, spinous processes of C7-T12

insertion: acromion, scapular spine

action: raises/rotates/retracts scapula

Term
pectoralis major
Definition

origin: clavicle, sternum, costal cartilage

insertion: greater tubercle of humerus

action: flex/adduct/medially rotate arm

Term
deltoid
Definition

origin: clavicle, acromion

insertion: deltoid tuberosity

action: arm abduction

Term
latissmus dorsi
Definition

origin: thoracic and lumbar vertebrae, ribs/iliac crest, inferior scapula

insertion: intertubercular sulcus of humerus

action: extend/adduct/medially rotate arm

Term
triceps brachii
Definition

origin: scapula, posterior humerus

insertion: olecranon process

action: forearm extension

Term
biceps brachii
Definition

origin: corocoid process of scapula

insertion: radial tuberosity

action: flex elbow

Term
brachialis
Definition

origin: distal humerus

insertion: coronoid process

action: forearm flexion

Term
brachioradialis
Definition

origin: distal humerus

insertion: styloid process of radius

action: forearm flexion

Term
sartorius
Definition

origin: anterior iliac spine

insertion: proximal tibia

action: flex/abduct thigh

Term
gracilis
Definition

origin: pubis, ischium

insertion: medial tibia

action: flex/adduct thigh

Term
rectus femoris
Definition

origin: anterior iliac spine

insertion: patella

action: extend knee, flex thigh

Term
vastus lateralis
Definition

origin: greater trochanter

insertion: patella

action: extend knee, flex thigh

Term
vastus medialis
Definition

origin: linea aspera

insertion: patella

action: extend knee, flex thigh

Term
tensor fasciae latae
Definition

origin: iliac crest

insertion: illiotibial tract

action: steady knee

Term
gluteus maximus
Definition

origin: sacrum, coxccyx, ilium

insertion: near the greater trochanter of femur

action: extend thigh

 

Term
gluteus medius
Definition

origin: iliac crest

insertion: near the greater trochanter of femur

action: abduct/medially rotate thigh

Term
biceps femoris
Definition

origin: ischial tuberosity

insertion: head of fibula

action: extend knee, flex thigh

 

Term
semitendinosus
Definition

origin: ischial tuberosity

insertion: tibia

action: flex knee, extend thigh

Term
tibialis anterior
Definition

origin: tibia

insertion: medial cuniform, first metatarsal

action: dorsiflexion

Term

soleus

 

Definition

origin: tibia, fibula

insertion: calcaneous

action: plantar flexion

Term
gastrocnemius
Definition

origin: condyles of femur

insertion: calcaneous

action: plantar flexion

Supporting users have an ad free experience!