Spieren van de bovenste gordel en lidmaat
Inhoud
mm. thoracales dorsales en ventrales..........................................................................................................................................................................2
M rhomboideus minor/major, levator scapulae, serratus anterior, subclavius.......................................................................................................2
mm. craniothoracales...................................................................................................................................................................................................4
M trapezius, sternocleidomastoideus.......................................................................................................................................................................4
Spieren over het schoudergewricht..............................................................................................................................................................................6
tuberculum minus spieren........................................................................................................................................................................................7
M subscapularis, teres major, latissimus dorsi.....................................................................................................................................................7
tuberculum majus spieren........................................................................................................................................................................................9
M. Teres minor, Infraspinatus, Supraspinatus, deltoideus (een buitenbeentje)..................................................................................................9
ventrale brachialisspieren of pectoralisspieren......................................................................................................................................................12
M. Coracobrachialis, Pectoralis major, Pectoralis minor....................................................................................................................................12
De spieren van de bovenarm......................................................................................................................................................................................15
De ventrale groep....................................................................................................................................................................................................15
de dorsale groep.....................................................................................................................................................................................................17
Buigers van de onderarm............................................................................................................................................................................................19
de diepe laag:..........................................................................................................................................................................................................19
De middenlaag........................................................................................................................................................................................................22
Oppervlakkige laag.................................................................................................................................................................................................23
Strekkers van de onderarm en hand...........................................................................................................................................................................26
Diepe groep strekkersspieren.................................................................................................................................................................................26
1
, Oppervlakkige strekkers: Dorsaal blijvende ondergroep........................................................................................................................................29
Oppervlakkige strekkers: radiaal uitgeweken ondergroep.....................................................................................................................................31
De korte handspieren..................................................................................................................................................................................................35
Handpalmspieren....................................................................................................................................................................................................35
Spieren van de duimmuis (thenar)..........................................................................................................................................................................36
Spieren van de pinkmuis (hypothenar)...................................................................................................................................................................38
Addendum: Rotatiebewegingen in de arm.................................................................................................................................................................40
mm. thoracales dorsales en ventrales
M rhomboideus minor/major, levator scapulae, serratus anterior, subclavius
spieren oorsprong insertie werking tekening
M. rhomboideus Onderste zijde van margo mediales Adduceert de scapula dichter
2
,minor en major lig nuchae, op de scapulae naar wervelzuil
processi spinosi C6- minor: thv spina
7 en th5 scapelae
major: onder de
spina scapula
schuin naar
beneden
M. Levator processi angulus superior Heft angulus superior
scapulae transversarii (C1 - scapulae scapulae, waarbij cavitas
C4) glenoidalis naar beneden
gericht wordt (maar daalt
niet)
M. Serratus ventrale uiteinde diepe zijde van de Drukt scapula tegen borstkas
anterior van de ribben (2 tot margo medialis
8) scapulae Scapula w lateraalwaarts
ligt op voorkant getrokken met krachtige
werking op angulus inferior
Facies articularis w hierbij
naar boven gericht ->
belangrijk bij eleveren van de
arm
3
, M. subclavius Deze spier is niet zo Fixeert clavicula tegen
belangrijk sternum
mm. craniothoracales
M trapezius, sternocleidomastoideus
M. trapezius middellijn os occipitale op de schouder:
bij partiele contractie
lig nuchae over processi van de:
spinosi th1 tot th2
pars descendens: op het pars denscendens:
lig interspinalia laterale 1/3 van de heft de scapula en
achterbovenrand van de adduceert deze
clavicula
pars transversa: op de pars transversa:
mediale rand van Add van de scapula naar
acromion, de bovenrand de rugmiddelijn
van de spina scapulae
pars ascendens: op de pars ascendens:
onderrand van het ADD van de scapula, met
mediale 1/3 van de spina daling + een rotatie van
4
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