Insertion/Origin/Function Flashcards
Occipitofrontalis Function
raises eyebrows, wrinkles forehead
Orbicularis Oris Function
sphincter muscle around mouth
Risorius Function
draws corner of mouth to the side
Buccintor Function
compression of cheeks
- suckling
Depressor labii inferioris Function
depresses lower lip
Levator labii superioris Function
elevates upper lip
Levator anguli oris Function
elevates corner of mouth
Depressor anguli oris Function
depressor corner of mouth
Mentalis Function
elevates and protrudes lower lip
Zygomaticus Major Function
retracts, elevates corner of mouth
Zygomaticus Minor Function
retracts, elevates upper lip
Levator Palpebrae superioris Function
elevatoes upper eyelid
Orbicularis Oculi Function
closes eye
Nasalis Function
compresses bridge
depresses tip of nose
elevates nostril
Platysma Function
tenses skin of neck
depressed mandible
pull lower lip down
Masseter Function
elevates mandible
closes jaw
Temporalis Function
elevates mandible
Sternocleidomastoid Function
flexion of neck
Splenus Capitis Function
extension of neck
Internal and External Oblique Function
flexion of the trunk
Rectus Abdominis Function
tenses abdominal wall
flexes vertebral column
Levator Scapulae Function
elevates scapulae
Pectoralis Minor Function
Depresses & extends shoulder
rotation of scapula
elevation of ribs
Rhomboid Major Function
adduction of scapula
Rhomboid Minor Function
adduction of scapula
Serratus Anterior Function
protraction of shoulder
Trapezius Function
elevation of clavicle
extension of neck
Levator Scapulae Origin
C1-C4 vertebrae
Levator Scapulae Insertion
scapula
Pectoralis Minor Origin
ribs 2-5
Pectoralis Minor Insertion
scapula
Rhomboid Major Origin
C1, T1
Rhomboid Major Insertion
scapula
Rhomboid Minor Origin
C1-T1 vertebrae
Rhomboid Minor Insertion
scapula
Serratus Anterior Origin
1-9 ribs
Serratus Anterior Insertion
scapula
Trapezius Origin
occipital bone
thoracic vertebrae
Trapezius Insertion
clavicle
scapula
Deltoid Function
abduction of arm
Supraspinatus Function
abduction of arm w/ deltoid
Subscapularis Function
medial rotation of arm
Infraspinatus & teres minor Function
lateral rotation of arm
Deltoid Origin
scapula clavicle
Supraspinatus Origin
scapula
Supraspinatus Insertion
humerus
Deltoid Insertion
humerus
Subscapularis Origin
scapula
Subscapularis Insertion
humerus
Infraspinatus & Teres Minor Origin
scapula
Infraspinatus & teres Minor insertion
humuerus
Pectoralis Major Function
flexion, adduction, medial rotation of arm
Pectoralis Major origin
sternum
ribs 2-6
clavicle
Pectoralis Major insertion
humerus
latissimus dorsi function
extension, adduction, medial rotation of arm
latissimus dorsi origin
T7-T12 vertebrae
ribs 9-12
ilium
latissimus dorsi insertion
humerus
Brachialis origin
humerus
Brachialis insertion
ulna
Brachialis function
flexion at elbow
Triceps brachii function
extension at elbow
triceps brachii origin
scapula & humerus
Coracobrachialis Action
adduction and flexion of the arm
Coracobrachialis Origin
scapula
Coracobrachialis Insertion
humerus
triceps brachii insertion
ulna
Biceps brachii function
flexion of forearm & supination
biceps brachii origin
scapula