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Human Anatomy Exam 1 Review

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OU's BIOL 2255 Human Anatomy Course Review with Cindy Gordon. For Exam 1

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  • September 1, 2024
  • 6
  • 2023/2024
  • Class notes
  • Cindy gordon
  • All classes
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kaiaza
Anterior LongitudinalLigament Extends :
from occipital bone to sacrum : Stabilizes helps prevent
hyperextension of back


Posterior Longitudinal Ligament :
Extends from C2 to sacrum :
helps limit hyperflexions reinforces discs : narrowers weaker than Anterior Longitudinal


Ligamentum Flavum :
snock absorber allows for movement allows for rotation of vertebral column
, ,




Intervertebral Disos :
Anhulus Fibrosis Outer
:

fibrocartilage that creates
strong bond between vertebrae'
allows for movement




Nucleus Pulposus shock :
absorber
,
allows for movement , allows for rotation of

vertebral column




Appendicular Muscles: Muscles that more the upper Blower limbs as well move/stabilize the pectoral 3 pelvic girdles




3
Trapezius :
Origin occipital bone Innervation
Accessory N
insertion clavicle function Elevate , Retract Rotate scapula ,




Levator scapulae elevate :
scapula's bend neck more the pectoral girdle
Origin
(primarily scapula
Rhomboid Major :
thoracic vertebrae Innervation Dorsalscapular N

insertion scapula function elevate retract
, interiorly rotate scapula
,




Rhomboid Minor elevate retract
, inferiorly rotate scapula
:
,




Latissimus Dorsi :
Origin thoracic vertebrae Innervation thoracodorsal N

insertion numers function extension adductor medial
, ,
rotation


Deltoid :
Innervation Axillary N

function abduct laterally rotate extension
, , ,
medial rotation flexion
,




Teres Major Adducts medially
:

,
rotates arm




&
Teres Minor : Origin scapula Innervation
Axillary N

insertion humerus function lateral rotation of arm


Infraspinatus :
Innervation suprascapular N

function Adduct Rotator cuff Muscles
Laterally rotate arm


supraspinatus :
origin scapula Innervation
Suprascapular N

insertion humerus function Abducts Arm


subscapularis : Origin scapula Innervation
subscapular N

h umerus
insertion function
Medially rotates arm


serratus Anterior : Origin scapula Innervation
Longthoracic N

insertion ribs function
Agonist in scapula Protraction :
superiorly B
rotates Stabilizes scapula

serratus posterior inferior :
depress the ribs


servatus posterior superior elevate the ribs :




Lerator costarum :
elevate the ribs

, Intrinsic Back Muscles : Start Stop Move the back


A Erector Spinae Muscles. Extension of the back
.




iliocostalis lumborum longiscimus thoracis spinalis thoracis
iliocostalis thoracis longissimus cervicis Spinalis cervices

iliocostalis cervicis longissimus capitis Spinalis capitis

B Transversospinalis Group Extension
.
:

,
Rotation of Spine's torso


semispinalis thoracis multifidus rotatores

semispinalis cervicis

Semispinalis capitis

Intertransversarii lateral flexion :




interspinalis extend back :




splenius muscles bandage -
muscles that originate on vertebrae insert on the skull

splenius capitis :
Origin occipital bone Innervation cervical spinal nerves

insertion
ligamentum nuchae function extend/flex the head

splenius cervicis Inserts :
on the transverse process of Cl-c3 : extend the neck

suboccipital region

Oblique Capitis superior Produce movement at the Atlanto-occipital Joint (where head meets neck)

rectus capitis posterior major Extension Movement :
"Yes" nod
rectus capitis posterior minor

Oblique Capitis inferior Produce movement at the Atlantoaxial Joint (A + (13(2)

rectus capts posterior major Rotation Movement : "no "nod

suboccipital nerve (C)

greater occipital nerve (C2)

occipital artery

Muscles of the Gluteal Region

Gluters Maximus :
Origin iliac crest Innervation Inferior gluteal N

insertion femur function extend laterally rotate
thigh
Gluteus Medius :
origin iliac crest Innervation Superior gluteal N

insertion femur function abduct medially rotate thigh

Gluters Minimus Abduct :
Medially rotate thigh
Tensor Fasciae Latae Flex the :

thigh
superior Gemellus :
Laterally rotate the thigh
Interior Gemellus :
Laterally rotate the thigh
obturator Internes :
Laterally rotate the thigh
Piriformis :
Laterally rotate the thigh

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