Neck & Back Flashcards
Levator scapulae Action
Elevate scapula, abduct and rotate neck
Scalenes Action
Elevate ribs 1 & 2, flex and rotate neck
Sternocleidomastoid Action
Flex, abduct, and rotate head
Omohyoid Action
Depress hyoid bone
Platysma Action
Depress inferior lip, open jaw
Digastric Action
Depress mandible, open mouth
Mylohyoid Action
Elevate hyoid bone and tongue
Erector spinae Action
Extend and rotate vertebral column and head
Sternocleidomastoid Attachment
Sternum, clavicle; mastoid process of temporal bone
Levator scapulae Nerve
Spinal nerves C3-5 and posterior scapular nerve
Scalenes Nerve
Spinal nerves C3-8
Sternocleidomastoid Nerve
Spinal nerves C2-4, accessory nerve (XI)
Omohyoid Nerve
Spinal nerves C1-3
Platysma Nerve
Facial Nerve (VII)
Digastric Nerve
Trigeminal (V) and facial nerve (VII)
