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The Shoulder
OT
26
Anatomy
Undergraduate 3
07/03/2010

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Term
Clavicale
Definition
also known as collar bone s- shaped and hooks in with sternum
Term
Scapula
Definition
flat triangular bone. spine of scapula
Term
Humerus
Definition
hooks in with scapula and radius and ulna at other end..
Term
Axilla
Definition
armpit... forms passage way for blood vessels and nerves
Term
Pectoralis major
Definition
in axillary wall...
Origin: medial-clavical and sternum.
insertion: lateral in humerus
nerve: pectoral nerves and brachial plexus
Term
Subclavius
Definition
Origin: cosal cartiliage
insertion: laterally clavical
Term
Pectoralis Minor
Definition
thin triangle shaped. origin: ribs
insertion: coracoid process
Term
clavipectoral fascia
Definition
sheet of connective tissue. raises skin of armpit
has cephalic vein
thoracoacromial artery
lymph vessels
pectoral nerves
Term
Subscapularis
Definition
Origin: anterior sureface of scapula
Insertion: humerus
nerve supply: subscapular nerves and brachial plexues
Term
Latissimus Dorsi
Definition
lumbar and thorax region. Large muscle
Origin: spines of lower 6 thoraic vertebrae, lower ribs,
inserts: humerous
Term
Teres major
Definition
Origin: lateral border of scapula
Insertion: humerous
nerve: brachial plexus
Term
Serratus Anterior
Definition
Origin:large thin cover lateral chest wall
Insertion:scapula
nerve supply: C5, 6, 7 of brachial plexus
action: punching forward for example
Term
Axilla vessels
Definition
axillary artery- supplies upper limb, begins at first rib and ends at teres major where it becomes brachial artery
axillary vein drains upper limb runs opposite of artery
Term
Roots, Trunks, divisions, cords
Definition
see plate
Term
trapezius
Definition
origin: medial, occipital bone. 7th cervical spine.
insertion: clavical and spine of scapula
nerve
motor- cranial nerve 11
sensory- 3rd and 4th cervical nerves
Action- suspends shoulder girdle from spine and skull
Term
Deltoid
Definition
covers shoulder joint
forms rounded contours of shoulder
Origin: clavical and spine of scapula
insertion: humerous
nerve: C5 and C6
Action: abducts upper limb at shoulder joint
Term
Rotator cuff
Definition
supraspinatus, infrspinatus, teres minor, subscapularis (SITS)
Term
Supraspinatus
Definition
Origin: subscapular fossa
Insertion: humerous
nerve: suprascapular nerve
Term
Infraspinatus
Definition
Origin: supraspinous fossa
Insertion: humerous
suprascapular nerve supply
Term
subscapularis
Definition
origin: supraspinatus fossa of scapula
insertion: humerous
nerve: both subscapular nerves and some brachial plexus
Term
Teres minor
Definition
Origin: scapula
Insertion: humerous
nerve: axillary nerve
action: laterally rotates arm
Term
subclavian artery
Definition
branches into scapula
Term
axillary artery
Definition
branches into humerous, fossa of scapula,
Term
Sternoclavicular joint
Definition
btw clavicle and and sternum synovial joint
moves shoulder shrug
Term
stwenoclavicular ligaments
Definition
ligament that attach clavical and sternum
Term
Acromioclacicular joint
Definition
scapula and clavicle
synovial joint
capsulesurrounds joint
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