Muscles: Anterior (TEST & QUIZ) Flashcards
Around the eyes
Blink, open/close eyes, wink, squint
Orbicularis Oculi
Frontal
Raises eyebrows, wrinkles forehead
Frontalis
Around the mouth
Smile, frown closing mouth, pucker
Orbicularis Oris
Covers parts of the temporal and parietal bones
Closes jaw, elevates and retracts mandible
Temporalis
Diagonally from cheek bone
Raises lateral corners of mouth upward, smiling
Zygomaticus
Either side of the neck, mastoid process
Sternocleidomastoid
Neck, under chin to clavicle
Frowning
Platysma
Sternum, ribs 1-6
Adducts, flexes humerus
Pectoralis Major
Sternum, ribs 5-7
Flexes vertebral column
Rectus Abdominus
Lower 8 ribs to ilium, wraps around sides
Flexed and rotates vertebral column
External Oblique
Shoulder girdle to radius
Flexed elbow, abducts arm, supinates forearm
Biceps Brachii
Shoulder girdle to humerus
Arm abduction
Deltoid
4 muscles, thigh, pelvic girdle to knee
Extends knee powerfully, rotates hip
Quadricep Group
Tibia, front of shin
Dorsiflexes and inverts foot
Fibialis Anterior