Thorax
Which muscle's action is to draw the scapula forward and downward?
What is Pectoralis Minor?
I am deep to the trapezius and I extend the head
What is Splenius?
I am the most superficial muscle of the posterior thorax and my insertion is along the acromion and spine of scapula and lateral third of clavicle.
What is Trapezius?
I am a superficial muscle and my action is to tense the neck
What is Platysma?
This is the action of the Pectoralis Major (name one)
What is adducts and medially rotates arm?
This muscle is deep and adducts/elevates the scapula
What is Levator Scapulae?
This action of pulling chin toward chest
What is flexion?
my origin is manubrium of sternum and clavicle
What is Sternocleidomastoid?
This muscle is a sphincter muscle and its action is to close the eyes
What is the Orbicularis Oculi?
A nurse's favorite muscle, its action is arm abduction
What is Deltoid?
This muscle retracts the scapula and rotates it to depress the glenoid cavity
WHat are the Rhomboids?
together I flex the neck, independently I rotate the head
What is Sternocleidomastoid?
my insertion is lateral surface of angle and ramus of mandible
What is Masseter?
When this muscle splits in 2 it results in a dimple and when it contracts it causes a smile
What is zygomaticus?
This muscle is broad, flat and triangular muscle of the lower back and its actions are extension, arm adductor and medially rotates
What is Latissimus Dorsi?
This muscle rotates scapula so its inferior angle moves laterally and upward
What are the Serratus Anterior?
These 3 muscles are deep muscles and extend the vertebral column. Name the group.
What are the Erector Spinae muscles?
My origin is the medial epicondyle of the humerus.
What is flexor carpi radialis?
What is the action of the Buccinator?
Blowing, compressed teeth against cheek (suckling neonate)
Subscapularis, supraspinatus and infraspinatus make up 3 of the 4 muscles make up the rotator cuff muscles. This muscle is is the 4th
what is teres minor?
This muscle stabilizes, raises, retracts and rotates scapula
What is the Trapezius?
I am named from the greek word meaning uneven and my action is to elevate 1st and 2nd ribs when breathing
What is Scalenes?
My origin is the lateral 1/3 of the clavicle, acromion and the spine of the scapula
What is Deltoid?
The action of this muscle is to elevate the mandible - to close the jaw
What is the Masseter?
Name 1 muscle that rotate the arm laterally
What are the Teres Minor or infraspinatus?