Skeletal-Muscular System Anatomy and Physiology 1110
Muscles of The Head Frontalis Function: raises eyebrows Temporalis Origin: temporal fossa Insertion: Coronoid process of mandible Function: closes jaw Orbicularis oris Function: kissing, whistling Orbicularis oculi Function: blinking, squinting Zygomaticus major Origin: Zygomatic bone Insertion: Skin/muscle at corner of mouth Funtion: raises lateral corners of mouth upward Zygomaticus minor Function: same as above Risorius Function: draws corner of lip laterally Buccinator Function: compresses cheek Masseter Origin: Zygomatic arch and maxilla Insertion: Angle and ramus of mandible Function: closes jaw, elevates mandible
Muscles of The Head Sternocleidomastoid Origin: Manubrium of Sternum Interstion: Mastoid process of temporal bone Function: Flexion of neck, head rotation to opposite shoulder Scalenes Function: Flex and slightly rotate neck, elevates ribs 1-2 Occipitalis Function: Pulls scale posteriorly
Muscles of The Back
Muscles of The Abdomen
Muscles of The Arm (Anterior)
Muscles of The Arm (Posterior)
Muscles of The Arm (Laterally)
Muscles of The Arm (Disarticulated)
Muscles of the Thigh
Muscles of the Leg
Muscles of the Leg (Disarticulated)
Muscle Fiber (Cut Away) Wat dat is?
Muscle Fiber (Cut Away)