Terms of Movement
Term meaning above
What is superior?
Involved in mastication (chewing)
What is masseter?
Flexes the vertebral column
What is rectus abdominis?
Aids in shoulder shrugging. Elevates, depresses, and contracts scapula
What is trapezius?
Flexes forearm at the elbow
What is biceps brachii?
Body parts located away from the midline
What is lateral?
Prime mover of a group of muscles that rotate and flex the head
What is sternocleidomastoid?
Compresses the abdomen
What is transversus abdominis?
Works opposite the deltoid to adduct the arm
What is latissimus dorsi?
Extends forearm at elbow
What is triceps brachii?
Body parts moving away from the midline
Compresses the cheek making rapid changes in the volume of the oral cavity
What is buccinator?
Adducts (outstretched arm), flexes (point straight ahead), and medially rotates (twist towards trunk) arm
What is pectoralis major?
Works with latissimus dorsi to adduct, extend, and medially rotate arm
What is teres major?
Supinates the forearm, which turns the palm upward
What is supinator?
Nearest attachment to the trunk
What is proximal?
Pulls the corners of the mouth down into a frown
What is platysma?
Has three different groups of fascicles that controls different movements. Anterior fascicles = flex the arm. Lateral fascicles = abduct the arm. Posterior fascicles = extend the arm
What is deltoid?
Externally rotates the shoulder joint
What is infraspinatus?
Pronates the arm at the elbow, turning the forearm to a palms down movement
What is pronator teres?
Circular motion performed by ball and socket joints
What is circumduction?
Muscles (two) that raise your eyebrows, wrinkle your forehead
Occipitofrontalis (Frontalis & Occipitalis)
Located under the obliques, it is the deepest of the abdominal muscles and wraps around the spine for protection and stability
What is external transversus abdominis?
Works with levator scapulae, the trapezius, serratus anterior, and the pectoralis minor to move the scapula
What is rhomboidus major?
Aids biceps brachii in flexing forearm
What is brachioradialis?