Muscle Anatomy Flashcards
Name: frontalis
Action:_____
a: elevate eyebrows
Name: orbicularis oculi
Action:____
a: close eyelid
Name: orbicularis oris
Action:____
a: close and protrude lips
Name: buccinator
Action:____
a: compress cheek “fish face”
Name: temporalis
Action:_____
a: elevate mandible
Name: masseter
Origin:_____
Insertion:_____
Action:_____
o: zygomatic arch
i: angle of mandible
a: elevate mandible
Name: sternocleidomastoid
Origin:____
Insertion:____
Action:____
o: sternum and clavicle
i: mastoid process
a: together: flex neck
alone: rotate head
Name: external intercostals
Action:_____
a: elevate ribs
Name: internal intercostals
Action:____
a: depress ribs
Name: diaphragm
Action:____
a: primer mover of inspiration, compress abdominal viscera
Name: rectus abdominis
Action:____
a: flex trunk, compress abdominal viscera
Name: external abdominal obliques
Action:_____
a: rotate trunk, compress abdominal viscera
Name: internal abdominal obliques
Action:____
a: rotate trunk, compress abdominal viscera
Name: transversus abdominis
Action:_____
a: compress abdominal viscera
Name: erector spinae
Action:_____
a: extend trunk
Name: trapezius
Action:____
a: elevate and retract scapula
Name: levator scapulae
Origin:____
Insertion:_____
Action:_____
o: C1-C-7 vertebrae
i: superior scapula
a: elevate scapula
Name: rhomboid minor
Origin:____
Insertion:_____
Action:_____
o: C7-T1 vertebrae
i: medial scapula
a: retract scapula
Name: rhomboid major
Origin:____
Insertion:_____
Action:_____
o: T2-T5 vertebrae
i: medial scapula
o: retract scapula
Name: pectoralis minor
Action:____
a: protract scapula
Name: serratus anterior
Action:_____
a: protract scapula
Name: pectoralis major
Action:_____
a: adduction and flex arm