lp3 clavicula, scapula, humerus
DESCRIPTION
anato an 1TRANSCRIPT
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CLAVICULA ȘI SCAPULA. HUMERUSUL
An I sem 1Lucrarea practică nr. 3
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MEMBRUL SUPERIOR
caracterizat prin:
mobilitate
capacitate de a apuca, lovi, motilitate fină
articulații: scapulo-toracic, glenohumeral, cot, radio-ulnar, radio-carpian
4 segmente: umăr, braț, antebraț, mână
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LP 2
Clavicula
Scapula
Humerusul
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CLAVICULA
Centura scapulară (conectează mb. sup. de trunchi)
os lung
Orientare:
extremitatea turtită - lateral
concavitatea acestei extremități - anterior
fața care prezintă un șanț - inferior
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CLAVICULA
medial: artic cu manubriul sternal
lateral: acromionul scapulei
2/3 mediale - convex anterior
nu are cavitate medulară
constituită din os trabecular cu un înveliș compact
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CLAVICULA
Inserții:
m. trapez
m. deltoid
m. pectoral mare
m. SCM
m. subclavicular
lig. trapezoid
lig. conoid
lig. costo-clavicular
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FRACTURA CLAVICULEI
forță directă pe umăr
forță indirectă de la antebraț - braț
slab: 1/3 medial cu 1/3 lateral
SCM trage fragmentul medial
Aplicație clinică
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CLAVICULA
Roluri:
suport rigid pt. mb. sup., la distanță de torace: libertate maximă de mișcare
poziție fixată: ridică coastele (inspir profund)
limită a canalului cervico-axilar: protecție pachetului neurovascular al mb. sup.
transmite șocurile mb. sup. spre toracehome
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SCAPULA
os plat, triunghiular
posterior pe torace c2 - c7
Orientare:
fața cu o spină puternică - posterior
unghiul cel mai ascuțit - inferior
cavitatea rotunjită - lateral
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SCAPULA
fața posterioară:
spina scapulei, acromion
fosa infra și supraspinoasă
fața anterioară:
fosa subscapulară
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SCAPULA
unghiul lateral:
cavitatea glenoidă
tuberculul supraglenoidal - m. biceps brahial (C.L.)
tuberculul infraglenoidal - m. triceps brahial (C.L.)
proces coracoid - m. coracobrahial, m. biceps brahial (C. Sc.)
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SCAPULA
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SCAPULA
unghiul medial:
m. levator scapulae
unghiul inferior:
m. latissimus dorsi
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SCAPULA
marginea superioară:
incizura suprascapulară
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SCAPULA
marginea medială:
m. romboizi mare și mic
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SCAPULA
marginea laterală:
m. rotunzi mare și mic
home
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HUMERUS
cel mai lung al mb. sup.
artic. gleno-humerală - artic. cotului
Orientare:
extremitatea cu cap sferic - superior
cap sferic - medial
sanțul acestei extremități - anterior
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HUMERUS
Extremitatea proximală:
capul humerusului
colul anatomic
tuberculul mare, creasta tuberculului mare
tuberculul mic, creasta tuberculului mic
șanțul intertubercular
colul chirurgical
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HUMERUS
Diafiza:
tuberozitatea deltoidiană
șanțul n. radial
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HUMERUS
Epifiza distală:
condilul humeral
capitulum, trohleea
fosa olecraniană, coronoidă, radială
epicondilii medial și lateral
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HUMERUS POSTERIOR
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HUMERUS POSTERIOR
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HUMERUS
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FRACTURI DE HUMERUS
col chirurgical - osteoporoză
transvers diafizar - șoc direct
lezare nervoasă
Aplicație clinică
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