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;
37 Cards in this Set
- Front
- Back
|
Frontalis |
Action: Raises the Eyebrow Insertion: Skin of eyebrows and root of nose Origin:epicranial aponeurosis |
|
|
Orbicularis Oculi |
Action:Closes eye Insertion:Tissue of eyelid Origin: frontal and maxillary bones and ligaments around orbit |
|
|
Orbicularis Oris |
A:Closes lips I:encircles mouth; inserts into muscle and skin at angles of mouth O:arises indirectly from maxilla and mandible:fibers blend with fibers of other facial muscles associated with the lips |
|
|
Levator Labii Superioris |
A:opens lips I: skin and muscle of upper lip O: zygomatic bone and infraorbital margin of maxilla |
|
|
Zygomaticus Minor |
A: Raises lateral corners of mouth upward (smiling muscle) I: Skin and muscle at corner of mout O: Zygomatic bone |
|
|
Buccinator |
A:Compresses cheek I: Orbicularis oris O: molar region of maxilla and mandible |
|
|
Mentalis |
A:Wrinkles Chin I: Skin of chin O: mandible below incisors |
|
|
Depressor Labii inferioris |
A: Draws lower lip inferiorly I: Skin and muscle of lower lip O: Body of mandible lateral to its mandible |
|
|
Depressor Anguli Oris |
A: Draws corners of mouth down and laterally I: skin and muscle at angle of mouth below insertion of zygomaticus O: body of mandible below incisors |
|
|
Platysma |
A: Tenses skin of neck I: lower margin of mandible and skin and muscle at corner of mouth O: fascia of chest (over pectoral muscles and deltoid) |
|
|
Temporalis |
A: Closes jaw I: Coronoid process of mandible via a tendon that passes deep to zygomatic arch O: temporal fossa |
|
|
Masseter
|
A: Prime mover of jaw closure I: Angle and ramus of mandible O: zygomatic arch of zygomatic bone |
|
|
Lateral Pterygoid
|
A: Provides forward sliding and side-to side griding movements of tje lower teeth I: Condylar process of mandible and capsule of tempromandibular joint O: Greater wing and later pterygoid plate of sphenoid |
|
|
Medial Pterygoid
|
A: Acts with the lateral pterygoid muscle to protrude (pull anteriorly) the mandible and promote side- to- side (grinding) movements I: Medial surface of mandible near its angle O: Medial Surface of lateral pterygoid plate of sphenoid bone, maxilla , and palatine bone
|
|
|
Sternocleidomastiod |
A: FLexes and laterally rotates the head I: Mastoid process of temporal bone and superior nuchal line of occipital bone O: Manubrium of sternum and medial portion of clavicle |
|
|
Deltoid
|
A: Prime mover of arm abduction when all its fibers contract simultaneously I: Deltoid tuberosity of humerous O: Embraces insertion of trapexius; lateral third of clavicle; acromian and spine or scapula |
|
|
Pectoralis Major |
A: Prime mover of arm flexion; rotates arm medially; adducts arm I: fibers converge to insert by a short tendon into intertubercular sulcus and greater tubercle of humerus O: Sternal end of clavicle, sternum, cartilage of ribs 1-6 (or 7) and aponeurosis of external oblique muscle
|
|
|
jdkfjalfjlajl |
A: Stabilizes, raises, retracts, and rotates scapula I: A continuous insertion along acromian and spine of scapula and lateral third of clavicle O: Occipital bone, ligamentum nuchae, and spinous processes of C7 and all of thoracic vertebrae
|
|
|
Latissimus Dorsi |
A: Prime mover of arm extension; powerful arm adductor; medially rotates arm at shoulder I: spirals around teres major to insert in floor of intertubercular sulcus of humerus O: Indirect attachment via lumbodorsal fascia into spines of lower six thoracic vertebrae, lumbar vertebrae, lower 3-4 ribs, and iliac crest; and iliac crest; also from scapulas inferior angle |
|
|
Rectus Abdominus |
A: Flex and rotate lumbar region of vertebral column I: Xiphoid process and costal cartilages of ribs 5-7 O: Pubic crest and symphysis |
|
|
Transverse Abdominous |
A: COmpresses abdominal contents I: Linea alba, pubic crest O" Inguinal ligament, lumbar fascia cartilages of last six ribs; iliac crest |
|
|
External Oblique |
A: Flex vertebral column and compress abdominal wall I: Most fibers insert into linea alba via a broad aponeurosis; some nsert into pubic crest and tubercle and iliac crest O- by fleshy strips from outer surfaces of lower eight ribs |
|
|
Internal Oblique |
A: As for external oblique I: Linea alba, pubic crest, last three or four ribs, and costal margin O: lumbar fascia, iliac crest, and inguinal ligament |
|
|
Supraspinatus
|
A: Initiates abduction I: Superior part of greater tubercle of humerus O: supraspinous fossa of scapula
|
|
|
Infraspinatous |
A: Rotates humerus laterally I: Greater tubercle of humerus posterior to insertion of supraspinatous O: Infraspinous fossa of scapula |
|
|
Subscapularis
|
A: Chief medial rotator of humerus I: Lesser tubercle of humerus O: subscapular fossa of scapula
|
|
|
Teres Minor |
A: Rotates humerus laterally I: Greater tubercle of humerus inferior to infraspinatous insertion O: lateral border of dorsal scapular surface |
|
|
Teres Major |
A: Extends, medially rotates, and adducts humerus I:crest of lesser tubercle on anterior humerus; insertion tendon fused with that of latissimus dorsi O: Posterior surface of scapula at inferior angle |
|
|
Serratus Anterior |
A: Rotates scapula so its inferior angle moves laterally and upward I: entire anterior surface of vertebral border of scapula O: By a series of muscle slips from ribs 1-8 (or 9) |
|
|
rhomboideus Major |
A: Stabilize scapula I:Medial border of scapula O: Spinous processes of C7 and T1 (Minor) and spinous processes of T2- T5 (major) |
|
|
rhomboideus Minor |
A: Stabilize scapula I: Medial border of Scapula O: Spinous processes of C7 and T1 (minor) and spinous processes of T2- T5 (major) |
|
|
Errector spinae |
sd |
|
|
LEvator Scapulae |
A: Elevates/ adducts scapula I: medial border of scapula, superior to spine O:transverse process of C1- C4 |
|
|
Psoas Major |
s |
|
|
Iliacus |
ff |
|
|
Iliopsoas |
iliacus and psoas major combined |
|
|
Pectoralis Minor |
A: With ribs fixed, draws scapula forward and downward I: Coracoid process of scapula O: Anterior surfaces of ribs 3-5 (or 2-4) |
