Skeletal-Muscular System

Anatomy and Physiology 1110

Muscles of The HeadFrontalisFunction: raises eyebrows

TemporalisOrigin: temporal fossaInsertion: Coronoid process of mandibleFunction: closes jaw

Orbicularis orisFunction: kissing , whistling

Orbicularis oculiFunction: blinking, squinting

Zygomaticus majorOrigin: Zygomatic boneInsertion: Skin/muscle at corner of mouthFuntion: raises lateral corners of mouth upward

Zygomaticus minorFunction: same as above

RisoriusFunction: draws corner of lip laterally

BuccinatorFunction: compresses cheek

MasseterOrigin: Zygomatic arch and maxillaInsertion: Angle and ramus of mandibleFunction: closes jaw, elevates mandible

Muscles of The Head

SternocleidomastoidOrigin: Manubrium of SternumInterstion: Mastoid process of temporal boneFunction: Flexion of neck, head rotation to opposite shoulder

ScalenesFunction: Flex and slightly rotate neck, elevates ribs 1-2

OccipitalisFunction: Pulls scale posteriorly

Muscles of The Back

Muscles of The Back

Muscles of The Abdomen

Muscles of The Arm (Anterior)

Muscles of The Arm (Anterior)

Muscles of The Arm (Anterior)

Muscles of The Arm (Posterior)

Muscles of The Arm (Posterior)

Muscles of The Arm (Laterally)

Muscles of The Arm (Disarticulated)

Muscles of The Arm (Disarticulated)

Muscles of The Arm (Disarticulated)

Muscles of The Arm (Disarticulated)

Muscles of The Arm (Disarticulated)

Muscles of the Thigh

Muscles of the Thigh

Muscles of the Thigh

Muscles of the Thigh

Muscles of the Thigh

Muscles of the Thigh

Muscles of the Thigh

Muscles of the Thigh

Muscles of the Thigh

Muscles of the Leg

Muscles of the Leg

Muscles of the Leg (Disarticulated)

Muscles of the Leg (Disarticulated)

Muscles of the Leg (Disarticulated)

Muscle Fiber (Cut Away)Wat dat is?

Muscle Fiber (Cut Away)

Muscle Fiber (Cut Away)

Muscle Fiber (Cut Away)