TRAPEZIUS - Answers origins: occiput, ligamentum nuchae, spinous process C7-T12
Insertions: lateral clavicle, acromion process and the spine of the scapula
Actions:lateral flexion, extension, contralateral rotation, elevation, depression, upward rotation
SPLENIUS CAPITIS - Answers origins: lower ligamentum of nuche, Spinous process of C7-T4
Insertions: Mastoid process of the temporal bone and occiput
Actions: extension, lateral flexion, isilateral rotation
LEVATOR SCAPULAE - Answers Origins : Transverse process C1-C4
Insertions:
medial boarder of the scapula (superior angle to spine)
Actions:
elevation, downward rotation and retraction of scapular
etension, lateral flexion, inpsilateral rotation of neck
STERNOCLEIOMASTOID - Answers Origina: manubrium of sternum, medial third of clavicle
Insertions:
mastoid process of the temporal bone
Actions:
flexion of neck
lateral flexion,contralateral rotation of head and neck,
extension of the head and
elevation of sternum and clavicle
SCALENUS
(ANTERIOR, MEDIUS, POSTERIOR) - Answers Origin: transverse process of C2-C7
Insertion: 1+2 ribs
Actions: flexion, lateral flexion,contralateral rotation of the neck and
, elevation of the 1+2 ribs
LATISSIMUS DORSI - Answers Origins: Spinous process T7-L5, Poserior sacrun, posterior iliac crest, ribs 9-
12
Insertions: bicipital groove of humerous
Actions: medial rotation, adduction and extension
RHOMBOIDS - Answers Origin: Spinous process C7-T5
Insertions :medial boarder of scapular underspine to inferior angle
Actions: retraction, elevation and downwards rotation
SERRATUS ANTERIOR - Answers Origins: ribs 1-9
Insertions: anterior medial bboarder of scapula
Actions:protraction of scapula
SUPRSPINATUS - Answers Origins: supraspinatus fossa
Insertions:greater tubericle of humerous
Actions: shoulder abduction and stabilise glenoid fossa during motion
INFRSPINATUS - Answers Origins:
infraspinatus fossa
Insertions: greater tubericle of humerous
Actions :lateral shoulder rotation and stabilise glenoid fossa during motion
TERES MINOR - Answers Origins:
mid lateral boarder of scapula
Insertions: greater turbericle of humerous
Actions: lateral shoulder rotation, stabilise glenoid fossa during motion
SUBSCAPULARIS - Answers Origins: subscapular fossa
Insertions:
greater tubericle of humerous
Actions: medial shoulder rotation and stabilise glenoid fossa during motion