Upper Body Muscles Flashcards
Masseter
Chewing
Occipitofrontalis
Elevate
Orbicularis oculi
Closes the eyes
Orbicularis Oris
closes mouth, compresses, and protrudes lips
Buccinator
Maintain flatness and presses the checks
Temporalis
move mandible up back and side to side
Sternocleidomastoid
Rotate the head
Trapezius
Stabilize and move the scapula
Deltoid
Shoulder, abduction, flexion and extension
Latissimus dorsi
Extension, abduction, and transverse extension
Supraspinatus
abduction of arm, stabilization of the humeral head in the glenoid cavity
Infraspinatus
Rotation of the shoulder joint
Teres minor
External rotation of shoulder joint
Teres major
Produce movement of the arm on the shoulder joint
pectoralis Major
Abduct and medially rotate the humerusPectoralis minor
Pectoralis minor
Stabilization depression abduction protraction of scapula
Intercoastals
Depress ribs, support intercostal spaces and thoraic cage
Serratus anterior
Pull the scapula forward around the thoracic
Rectus Abdominis
Flexion of thoracic, lumbar and spine(Trunk)
External oblique
Flexes the trunk
Internal oblique
Flexes the trunk
Transersus Abdominis
maintain abdominal tension and support abdominal viscera
Diaphram
Contract and flatten when you inhale
Triceps Brachii
Extension of the forearm at the elbow joint
Biceps Brachii
Flexion of elbow and supination of forearm
Brachopradoalis
Flexes the forearm at the elbow
Supinator
Rotates the radius laterally at the radioulnar joint
Pronator tres
Pronation of the forearm