exam 2 prep

anatomy-musclar and landmark

Formen magnum

medulla oblangata

supra-orbital foramen

supra-orbital nerve

optic canal

Optic nerve (II)

Superior orbital fissure

oculomotor nerve III

rotundum

maxillary branch of trigeminal nerve (v)

foramen ovale

mandibular branch of trigeminal nerve (v)

inferior orbital fissure

maxillary branch of trigeminal nerve (v)

cribriform foramina

olfactory nerve (v)

infra-orbital foramen

infra-orbita nerve

mental foramen

mental nerve

mandibular canal

inferior alveolar nerve

occipital condyles

articulates with the first cervical vertebra c1

supra-orbital margin

protects eyes

frontal sinuses

lighten bones

Temporal bones-Squama

Attachment of jaw muscles

Temporal bones- Zygomatic process

Articulates with zygomatic bones

Temporal bones- Mastoid process

Attachments of muscles

Temporal bones- Styloid process

Attachments of stylohyoid ligament

Temporal bones- Mastoid air cells

Lighten mastoid process

Temporal bones- petrous part

protects middle and inner ear

Sphenoid-Sella turcica

protects pituitary gland

Sphenoid-Pterygoid process and spines

Attachment of jaw muscles

Crista galli

stabilizes position of brain

Ethmoidal Labyrinth

lightens bones

Superior and middle conchae

creates turbulent air flow

perpendicular plate

separates nasal cavities

orbital margin

protects eyes

palatine process

forms most of the bony platate

maxillary sinus

lightens bones, secretes mucus

alveolar process

surrounding articulations with the teeth

inferior nasal conchae

contributes to bony palate and orbit

Zygomatic bones-temporal process

with zygomatic process of temporal, complete zygomatic arch

Mandible-Condylar process

Articulates with temporal bones

Mandible Coronoid process

Attachment of temporals muscle

Auditory canal

conducts sound vibrations from tympanic membrane

Frontalis muscle

raises eyebrows

occipitalis muscle

retracts and tenses up scalp

Orbicularis oculi

closes eyes

Buccinator

compresses cheek

Orbicularis Oris

Closes and protrudes lower lip

Mentalis

Protrudes lower lip

Risorius

draws corners of mouth laterally / smiles

Masseter

Elevates mandible

temporalis

elevates mandible

sternocleidomastoid

flexion of neck and head

scalenus

flexion of neck and head

Splenius capitis

extension of head and neck

Diaphragm

primary muscle for inhale and exhale

External intercostals

internal muscle of inhale

Internal Intercoastal

Primary muscle for deep exhale

Rectus abdominas

flexion of torso

external oblique abdominis

flexion of torso

internal oblique abdominis

flexion of torso

Transverse abdominis

compresses abdomen

Trapezius

elevates scapula

levator scapula

elevates scapula

Rhomboideus major

retracts scapula

Pectoralis minor

Protracts scapula

Serratus anterior

protracts scapula

Deltoid

Abducts humerus

Supraspinatus

Abducts arm

Coracobrachialis

Adducts arm

Latissimus Dorsi

extends shoulder

Pectoralis major

flexes shoulder

infraspinatus

lateral rotation at shoulder

teres minor

lateral rotation at shoulder

Subscapualri

medial rotation at shoulder

Teres major

medial rotation at shoulder

Biceps Brachialis

flexes elbow

Triceps Brachii

Extends elbow

pronator teres

pronator forearm

supinator

supinates forearm

gluteus maximus

extends hips

gluteus medius

abducts the hip joint

gluteus minimis

abducts hip joint

Abductor longus

adducts the femur

Gracilis

adduction of femur

Sartrorius a

Flexing the knee

Bicep femoris B

flexes the knee

semitendinosus C

flexes the knee

vastus lateralis

extends the knee

vastus medialis

extends the knee

rectus femoris

extends the knee