Unit 4: Upper Extremity Skeletal Anatomy Flashcards by Hannah Geisler

Q

-supports the upper limbs
-involve scapula and clavicle
-movements of pectoral girdle include: elevation and depression, upward and downward rotation, and protraction and retraction

A

pectoral girdle

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Q

-has 3 portions: body, medial/sternal end, and lateral/acromial end
-braces scapulae to hold shoulder in place
-has no medullary cavity
-most common fractured bone
-first bone to ossify in fetus

A

clavicle

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Q

A

sternal end of clavicle

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Q

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conoid tubercle

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Q

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acromial end of clavicle

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Q

-aligned with 1-7 thoracic vertebrae
-least fractured bone in the body
-found on the dorsal aspect of thoracic cage

A

scapula

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Q

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scapular notch

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Q

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superior border

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Q

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superior angle

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Q

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coracoid process

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Q

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infraglenoid tubercle

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Q

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subscapular fossa

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Q

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lateral border

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inferior angle

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Q

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spine of scapula

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Q

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supraspinous fossa

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Q

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acromion

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Q

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infraspinous fossa

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Q

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glenoid cavity

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Q

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humerus

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Q

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head of humerus

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Q

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anatomical neck

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Q

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surgical neck

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Q

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greater tubercle

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lesser tubercle

also called intertubercular groove

bicipital groove

deltoid tuberosity

medial epicondyle

lateral epicondyle

capitulum

trochlea

radial fossa

coronoid fossa

olecranon fossa

lateral supracondylar ridge

medial supracondylar ridge

carrying bone of the hand

radius

radial head

radial tuberosity

styloid process

lister's tubercle

stabilizing bone of the forearm

ulna

trochlear notch

coronoid process

radial notch

olecranon process

styloid process

ulnar notch

neck of radius

FOOSH -common mechanism of injury for wrist and forearm

Fall On an Out-stretched Hand

8 bones

carpals

scaphoid

lunate

triquetrum

pisiform

trapezium

trapezoid

capitate

hamate

metacarpal

base of metacarpal

shaft of metacarpal

head of metacarpal

phalanges

proximal phalanx

middle phalanx

distal phalanx

sesamoid bone

hook of hamate