Class notes
Human Anatomy Exam 1 Review
- Course
- BIOL 2255
- Institution
- University Of Oklahoma
OU's BIOL 2255 Human Anatomy Course Review with Cindy Gordon. For Exam 1
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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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