Gross Muscular Anatomy ( Head, Neck, Torso )
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47 Terms
label epicranius: frontal belly
label epicranius: occipital belly
label orbicularis oculi
label zygomaticus major & minor
label platysma
label pectoralis major
label serratus anterior
label pectoralis minor
label external intercostals
label internal intercostals
label diaphragm
label rectus abdominis
label external oblique
label transverse abdominis
label latissimus dorsi
label levator scapulae
label quadratus lumborum
label iliocostalis
label longissimus
label spinalis
label rhomboid major
label rhomboid minor
label masseter
masseter is what
PRIME MOVER
ACTION elevates mandible
label temporalis
Temporalis does what
SYNERGIST
ACTION elevates mandible
label buccinator
buccinator does what
ACTION: compresses cheeks
Epicranius does what (frontal belly)
ACTION: raises eyebrows
Epicranius does what (oppcipital belly)
ACTION pulls scalp posteriorly
what is oribicularis oculi
ACTION
Closes the eyelids.
label orbicularis oris
Zygomaticus minor and major does what
ACTION helps with smiling
Risorus does what
SYNERGIST to buccinator
ACTION pulls corners of the mouth
label Risorus
below buccinator
antagonistic to the zygomaticus
depressor aguli oris
Mentalis does what
ACTION depress mandible
ANTAGONISTIC TO MASSETOR
LABEL Mentalis
Sternocleidomastoid
ACTION neck flexion
Label sternocleidomastoid
Platysma does what
ACTION depresses mandible
Trapezius does what
ACTION extension of neck
ANTAGOIST OF PLATYSA
label Trapezius
Sternohyoid does what
ACTION Depresses hyoid bone
label Sternohyoid
Scalenes does what
ACTION elevates ribs 1-2
Label Scalenes
