Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
40 Cards in this Set
- Front
- Back
|
Raises eyebrows & wrinkles forehead horizontally - "Surprise"
|
Occipitofrontalis
|
|
|
Blinking, squinting, closing the eyes. Causes "crow's feet" creases lateral to the eyes
|
Orbicularis oculi
|
|
|
Lifts eyelid -- to keep the eye open as in "waking up in the morning"
|
Levator palpebral superioris
|
|
|
Closes nostril
|
Nasalis compressor naris
|
|
|
Opens nostril
|
Nasalis Dilator naris
|
|
|
Raises lateral corners of mouth upward (Smile)
|
Zygomaticus major & minor
|
|
|
Draws corner of lip laterally (synergist of zygomaticus - Smile)
|
Risorius
|
|
|
Closes the mouth. Purses the lips and puckers lip edges (kissing)
|
Orbicularis oris
|
|
|
Compresses cheeks (whistling and blowing). Hold food between the teeth during chewing.
|
Buccinator
|
|
|
Tenses skin of neck (shaving). Depresses mandible
|
Platysma
|
|
|
Raises mandible "Closes jaw" (2 muscles)
|
Masseter and Temporalis
|
|
|
Raises mandible "Closes jaw" AND side-to-side grinding movement
|
Medial pterygoid
|
|
|
Lowers mandible "Opening jaw" AND side-to-side grinding movement
|
Lateral pterygoid
|
|
|
Lowers mandible "Opening jaw" AND raises hyoid bone - during swallowing & speech
|
Digastric
|
|
|
Bilateral contraction: Head flexion at the neck "Prayer"
Unilateral contraction: rotates neck |
Sternocleidomastoid
|
|
|
Bilateral contraction: Extends spind
Unilateral contraction: Laterally flexes the spine |
Erector spinae
|
|
|
Bilateral contraction: Flexes spine (sit ups); compression of abdominal cavity
Unilateral contraction: Rotation of spine (3 muscles) |
Rectus abdominis, External oblique, Internal oblique
|
|
|
Compression of the abdominal cavity
|
Transverse abdominis
|
|
|
Rotates scapula (inferior angle moves upward); protracts scapula; pushing & punching
|
Serratus anterior
|
|
|
Moves scapula downward and forward if ribs are fixed
|
Pectoralis minor
|
|
|
Retract scapula (pulls shoulder blades together)
|
Rhomboids
|
|
|
Stabilizes, raises, retracts, depresses, and laterally rotates scapula "shoulders shrugging"
|
Trapezius
|
|
|
Arm flexion, rotates arm medially "arm wrestling", adducts arm
|
Pectoralis major
|
|
|
Extends arm, rotates arm medially, adducts arm (2 muscles)
|
Teres major & Latissimus dorsi
|
|
|
Abducts arm
|
Deltoid
|
|
|
Assist deltoid in abducting arm, laterally rotates arm, medially rotates arm (look at notes)
|
Rotator cuff muscles (supraspinatus, infraspinatus, teres minor, subscapularis)
|
|
|
Flexes elbow joint "arm curls, pulls ups, pulling anything toward you" *lifts radius
|
Biceps brachii
|
|
|
Flexes elbow joint *lifts ulna (2 muscles)
|
Brachialis & Brachioradialis
|
|
|
Extends elbow
|
Triceps brachii
|
|
|
Protates forearm
|
Pronator teres
|
|
|
Flexes, abducts, laterally rotates thigh at hip "Crossing the leg"; flexes knee
|
Sartorius
|
|
|
Extends and laterally rotates thigh "climbing stairs or rising from a sitting position"; abducts thigh-------Abducts and medially rotates thigh. Tilts pelvis during walking
|
Gluteus
|
|
|
Flexes thigh at hip joint and extends leg at knee joint; extends knee and stablizes patella.
|
Quadriceps femoris
|
|
|
Extends thigh at hip joint, flexes knee joint, laterally rotates leg at knee join; extends thigh at hip joint, flexes knee joint, medially rotates leg
|
Hamstrings
|
|
|
Dorsiflexion of the foot, inverts foot at ankle
|
Tibialis anterior
|
|
|
Dorsiflexion of foot, everts foot at ankle join
|
Fibularis tertius
|
|
|
Plantar flexes foot "Tip toeing" (2 muscles)
|
Triceps surae & Plantaris
|
|
|
Unlock extended knee
|
Popliteus
|
|
|
Controls urine flow, tightens vaginal wall during intercourse, contracts during orgasm
|
Pubococcygeus
|
|
|
Closes anal opening - important in controlling defecation
|
External anal sphincter
|
