Cervical spine - origin, insertions and actions Flashcards
what is the origin of erector spinae - ilocostalis cervicis?
cervicis ribs 3-6
what is the insertion of erector spinae - ilocostalis cervicis?
TP of C4 - C6
what is the action of erector spinae - ilocostalis cervicis?
extension, rotation and side flexion
what is the origin of erector spinae - spinalis cervicis?
SP of C7
what is the insertion of erector spinae - spinalis cervicis?
SP of C2 - C5
what is the action of erector spinae - spinalis cervicis?
head extension
what is the origin of erector spinae - longissimus capitis and cervicis?
TP of T1 - T4
what is the insertion of erector spinae - longissimus capitis and cervicis?
TP of C2 - C6
what is the action of erector spinae - longissimus capitis and cervicis?
extension and side flexion
what is the origin of sternocleidomastoid?
manubrium and medial clavicle
what is the insertion of sternocleidomastoid?
mastoid process and occipital bone
what is the action of sternocleidomastoid?
side flexion, neck flexion and rotation
what is the origin of levator scapulae?
TP of C1 - C4
what is the insertion of levator scapulae?
upper part of the medial border of the scapular
what is the action of levator scapulae?
elevation of the scapular
what is the origin of scalenes?
TP of C2 - C7
what is the insertion of scalenes?
1st and 2nd rib
what is the action of scalenes?
elevation of the 1st and 2nd rib and side flexion
what is the origin of platysma?
fascia covering the upper parts of the pec major and deltoid
what is the insertion of platysma?
mandible and subcutaneous tissue of the lower face
what is the action of platysma?
depresses the lower jaw
NTK - what is the origin of sternohyoid?
sternum and clavicle
NTK - what is the insertion of sternohyoid?
hyoid
NTK - what is the action of sternohyoid?
depresses the hyoid bone
NTK - what is the origin of omohyoid?
upper border of the scapular
NTK - what is the insertion of omohyoid?
hyoid
NTK - what is the action of omohyoid?
depresses the hyoid bone
NTK - what is the origin of splenius capitis and cervicis?
capitis - SP of C7 - T3
cervicis - SP of T3 - T6 and ligamentum nuchae
NTK - what is the insertion of splenius capitis and cervicis?
capitis - mastoid process and occipital bone
cervicis - TP of C1 - C3
NTK - what is the action of splenius capitis and cervicis?
extension, side flexion and rotation