ITEC A & P Combined Questions and Answers Full Solution Pack with complete solution
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ITEC A & P
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ITEC A & P
ITEC A & P Combined Questions and Answers Full Solution Pack with complete solution
Occipitofrontalis
lifts eyebrow and wrinkles skin of forehead
Occipitalis
Fibrous sheet over occipital bone. moves scalp backwards
Frontalis
Fibrous sheet over frontal and parietal bones. moves scalp forewar...
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ITEC A & P Combined Questions and Answers Full
Solution Pack with complete solution
Occipitofrontalis
lifts eyebrow and wrinkles skin of forehead
Occipitalis
Fibrous sheet over occipital bone. moves scalp backwards
Frontalis
Fibrous sheet over frontal and parietal bones. moves scalp forewards
Procerus
Continuation of frontalis down midline of nose between eyebrows. Wrinkles at bridge of
nose
Nasalis
Side of nose. compresses and dilates nasal opening
Levator labii superioris
Thin band of muscle from eye to mouth. lifts upper lip
Levator anguli oris
Thin band of muscle below levator labii superioris. raises corner of mouth
Zygomaticus
muscle extending from the zygomatic bone to the angle of the mouth, elevates the lip as
in laughing
Orbicularis oris
Sphincter muscle around mouth. purses lips
Mentalis
Above mental tuberosity on chin. Lifts skin on chin and turns lower lip outwards
Depressor labii inferioris
Midline of chin to lower lip. Lifts skin on chin and turns lower lip outwards
Depressor anguli oris
From modiolus to mandible. Pulls down corner of mouth
Buccinator
Broad thin muscle deep to masseter. compresses cheek against teeth to maintain
tension
Risorius
Between masseter and corner of mouth. retracts angle of mouth and lifts upper lip
(grinning)
Medial pterygoid
Inner surface of mandible. Raises the mandible
Lateral pterygoid
Behind the zygomatic arch (cheekbone). pushes mandible out and opens mouth
Masseter
From zygomatic arch to mandible. Raises lower jaw, chief muscle of mastication
Temporalis
from temporal bone to mandible. raises and retracts lower jaw
Orbicularis oculi
Sphincter muscle around eye. Closes eyelid
, Levator palpebrae superioris
Extends from posterior port of the orbital cavity to the upper eyelid. Raises the eyelid
Sternocleidomastoid
Rope-like muscle running at an angle up sides of the neck. Flexes head and turns from
side to side
Trapezius
kite-shaped muscle, upper back. rotates inferior angle of scapula laterally, raises
shoulder, draws scapula backwards
Splenius capitis
Muscle running along neck to trunk. extends and rotates head
Levator scapulae
Cervical vertebrae to upper medial border of scapula. Rotates and elevates scapula,
helps bend neck laterally
Platysma
Front of neck. wrinkles skin of neck
Deltoid
Shoulder. Front draws arm forward, middle abducts, back draws arm backwards
External oblique
Waist. Flexes vertebral column when both sides work together; rotates body at the waist
when the two sides work antagonistically
Internal oblique
Waist, deep to external oblique. Produces rotation at the waist when working
antagonistically; flexes vertebral column
Pectoralis major
Chest. Draws arm forwards and medially. adducts and rotates inwards
Serratus anterior
Side of thorax. Draws shoulder forwards, rotates scapula
Rectus abdominis
Abdominal wall. Supports viscera, flexes vertebral column
Transverse abdominis
Underneath internal and external obliques. deepest muscle of the abdomen. supports
viscera, flexes vertebral column
Ilio-psoas (iliacus and psoas)
Deep muscle of pelvic floor which crosses hip joint. Rotates femur laterally and flexes
hip
Latissimus dorsi
Covers back. draws arm backwards, adducts and rotates it medially
Gluteus medius
Higher on the pelvis continuing deep to gluteus maximus. abducts femur medially
Gluteus maximus
Main bulk of buttock. extends the hip, raises trunk after stooping, lateral rotation of
hip/femur
Rhomboids
Between scapula and spine. Adducts scapula
Supraspinatus
Top of scapula above spine. Abducts arm, holds humerus in socket
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