Muscles and their functions Flashcards
Temporalis
elevates mandible
sternocleidomastoid
flexes the neck, lateral flexion of neck, rotation of neck
orbicularis oculi
closes the eye
masseter
elevates the mandible
orbicularis oris
purse and compresses the lips
pectoralis major
flexion and adduction at the shoulder
Rectus abdominis
flexes vertebral column, depresses ribs, compresses abdomen
external and internal oblique
lateral flexion of vertebral column, rotation of the trunk
Internal intercostals
depress ribs during exhalation
external intercostals
elevate ribs to inhale
pectoralis minor
depresses scapula, elevates ribs
pectoralis minor
depresses scapula, elevates ribs
rhomboids
adduction, retraction of scapulae
trapezius
elevates, adducts, depresses, scapulae, & elevates clavical
latissimus dorsi
adduction, extension of arm at shoulder