Lab 2 Practical Muscle innvervations and actions Flashcards
(107 cards)
Splenius Capitis innervation?
N= Dorsal rami C3-C5
Splenius capitis action?
A=Laterally Flex head and rotate face to side: bilaterally extend head.
Splenius Cervicis innervation?
N= Dorsal rami C5-C7
Splenius cervicis action?
A= Laterally flex and rotate neck; bilaterally extend neck
Iliocostalis Lumborum innervation?
N= Dorsal rami lower T, all L
Iliocostalis lumborum action?
A= Extension, lateral flexion, rotation of L spine; lateral movement of pelvis
Iliocostalis thoracis innervation?
N= Dorsal rami T1-T6
Iliocostalis thoracic action?
A= Extension, lateral flexion T spine
Iliocostalis cervicis innervation?
N= dorsal rami T1, T2; rarely C8
.
Iliocostalis cervicis action?
A= Extension, lateral flexion, rotation LOWER C spine
Longissimus Thoracis innervation?
N=Dorsal rami T and L nerves
Longissimus thoracis action?
A= Lateral flexion T spine and ribs;
bilaterally act in extension of T and; L spine,
hold T and L spine erect,
Lateral movement of Pelvis
Longissimus cervicis innervation?
N= Dorsal rami C4-C8; T1-T2
Longissimus cervicis action?
A= Lateral flexion of neck; bilaterally extend neck
Longissimus capitis innervation?
N= dorsal rami C1-C3, sometimes C4
Longissimus capitis action?
A= rotate and laterally flex head; bilaterally extend head
Spinalis Thoracis innervation?
N= Dorsal rami T and upper L
Spinalis thoracis action?
A=extend T spine
Spinalis Cervicis innervation?
N= Dorsal rami C
Spinalis cervicis action?
A= Lateral flexion and rotation of C spine; bilaterally extend neck
Spinalis capitis innervation?
N= Dorsal rami lower C, upper T
Spinalis capitis action?
A= Lateral flexion and rotation of head; bilaterally extend head
Semispinalis thoracis action.
A=Extension, rotation, and lateral flexion of upper T and Lower C spine; bilaterally extend T spine.
Semispinalis Cervicis innervation?
N=dorsal rami C6-C8