Origins
Anterior surface of sternum and upper surface of clavicle
What is sternocleidomastoid
What is the action of the obisularis oris
compresses/purses lips
Abducts arm, extends or flexes humerus
Deltoid
Pulls arm anteriorly and across chest, rotates humerus, or adducts arm
What is pectoralis major
If gastronemius is the agonist for plantar flextion, tibialias anterior would be the _______ to the movement?
Antagonist
Coracoid process and tubercle above glenoid cavity of scapula
Biceps Brachii
This muscle group of the trunk extends the vertebral colomn
Spinalis Group
Raises the eyebrows
Frontalis
Which muscle group of the arms has two different origins?
Biceps
Extends the leg at the knee
Rectus Femoris
Clavicle, sternum and costal cartilages of uper ribs
Pectoralis Major
Both the external and internal oblique have the same action. What is is?
compresses abdomen depresses ribs
Rotates scapula and raises the arm; raises scapula; pulls scapula medially
Trapezius
Flexes the forearm at the elbow and rotates the hand laterally
What is biceps brachii
Extends the thigh
Gluteus Maximus
Acromion process, spine of scapula, and clavicle
Deltoid
What is the name of the ,uscle that flexes and lateral rotates the hip?
Psoas Major
Pulls head to one side, pulls head toward the chest or raises the sternum
What is sternocleidomastoid
Extends the forearm at the elbow
What is triceps brachii
Dorsiflexion and inversion of food
Tibialis Anterior
The origin of this muscle is the zygomatic arch
Masseter
What are the 3 types of muscles? what do they each do?
cardiac, smooth, skeletal
This muscle closes the skin around the eye
Orbicularis Oculi
What is the action of the brachialis
Flexion at elbow
Plantar flexion of the foot and flexion of leg at knee
What is Gastrocnemius