Scott Pilates Written

MUSCULAR REFERENCES FOR STOTT PILATES
QUESTIONS WITH RIGHT ACCURATE
ANSWERS.
Trapezius,-,upper,,middle,,and,lower,division,,ANS,-
,Origins:,large,,important,,diamond,shaped,muscle;,its,origin,is,on,the,occiput,,nuchal,ligament,,and,spino
us,process,of,the,cervical,vertebrae,and,thoracic,vertebrae



Insertions,:,the,lateral,third,of,the,clavicle,and,acromion,(upper,fibers),,scapular,spine,(middle,fibers),,a,tu
bercle,at,the,medial,end,of,the,scapular,spine,(lower,fibers)



Actions,of,the,Muscles:simultaneous,contraction,of,all,the,fibers,adducts,the,scapula



upper,fibers:,elevation,and,upward,rotation,of,the,scapula



lower,fibers:,depression,and,upward,rotation,of,the,scapula



Levator,Scapulae,,ANS,-,Origins:,originates,from,the,transverse,processes,of,C1-C4



Insertions,:,inserts,on,the,superior,angle,of,the,scapula



Actions,of,the,Muscles,:,elevates,the,scapula,and,rotates,it,downwards



Rhomboid,Major,and,Minor,,ANS,-,Origins:,originate,from,the,spinous,process,of,C7,and,T1-T4,



Insertions:,insert,on,the,medial,border,of,the,scapula



Actions,of,the,Muscles:,adduct,the,scapula,and,rotate,it,downward



Serratus,Anterior,,ANS,-,Origins:,originates,from,the,upper,ten,ribs

,Insertions:,inserts,along,the,entire,medial,border,of,the,scapula



Actions,of,the,Muscles:,when,the,ribs,are,fixed,,the,muscle,flattens,the,medial,border,of,the,scapula,again
st,the,ribcage;,with,the,upper,fibers,,it,pulls,the,scapula,laterally,into,upward,rotation



Pectoralis,Minor,,ANS,-,Origins:,originates,from,ribs,3-5



Insertions,:,inserts,on,the,coracoid,process



Actions,of,the,Muscles:,when,the,ribs,are,fixed,,it,pulls,the,scapula,downward,and,foreward



Subclavius,,ANS,-,Origins,:,small,muscle,running,from,rib,1,and,its,cartilage,



Insertions,:,underside,of,the,clavicle



Actions,of,the,Muscles:,depresses,the,clavicle



Deltoid,-,anterior,,medial,and,posterior,division,,ANS,-
,Origins:,the,three,groups,of,fibers,converge,toward,the,middle,of,the,arm




Insertions:,insertion,on,the,lateral,surface,of,the,humerus



Actions,of,the,Muscles:,contraction,of,anterior,fibers:,flexion,and,medial,rotation,of,the,arm



Pectoralis,major,-,sternal,and,clavicular,division,,ANS,-
,Origins:,has,a,clavicular,head,from,the,anterior,,medial,clavicle,,and,a,sternocostal,head,from,the,sternu
m,and,costal,cartilages,1-6,and,rib,7

, Insertions:,The,tendon,is,twisted,such,that,the,fibers,from,the,clavicular,head,insert,below,those,from,the,
sternocostal,head,on,the,lateral,aspect,of,the,bicipital,groove



Actions,of,the,Muscles:,when,the,ribcage,is,fixed,,all,the,fibers,adduct,and,medially,rotate,the,arm.,The,"h
ugging",muscle



Coracobrachialis,,ANS,-,Origins:,arises,from,the,coracoid,process



Insertions:,on,the,medial,surface,of,the,humeral,shaft,,near,the,middle



Actions,of,the,Muscles:,flexes,and,adducts,the,arm



shoulder,muscle



Latissimus,dorsi,,ANS,-,Origins:,sacral,and,iliac,crests,,throracolumbar,fascia,,spinous,processes,of,T7-
T12,,and,posterior,surfaces,of,the,four,lower,ribs



Insertions:,The,tendon,wraps,around,the,medial,side,of,the,humerus,,makes,a,twist,,and,inserts,on,the,bic
ipital,groove



Actions,of,the,Muscles:,extension,,adduction,,and,medial,rotation,of,the,arm



meaning,"widest,back,muscle"



Teres,Major,,ANS,-,Origins:,originates,from,the,posterior,surface,of,the,inferior,angle,of,the,scapula



Insertions:,on,the,medial,aspect,of,the,bicipital,groove,,next,to,the,latissimus,dorsi



Actions,of,the,Muscles:,extension,,adduction,,and,medial,rotation,of,the,arm,(less,powerful,than,the,latiss
imus,dorsi