basics, dermatomes, myotomes Flashcards
what muscle action does the C1 nerve root supply?
upper cervical flexion
what muscle action does the C2 nerve root supply?
upper cervical extension
what muscle action does the C3 nerve root supply?
cervical lateral flexion
what muscle action does the C4 nerve root supply?
shoulder girdle elevation
what muscle action does the C5 nerve root supply?
shoulder abduction
what muscle action does the C6 nerve root supply?
elbow flexion
what muscle action does the C7 nerve root supply?
elbow extension
what muscle action does the C8 nerve root supply?
thumb extension, finger flexion
what muscle action does the T1 nerve root supply?
finger abduction and adduction
what muscle action does the nerve root L2 supply?
hip flexion
what muscle action does the nerve root L3 supply?
knee extension
what muscle action does the nerve root L4 supply?
foot dorsifelxion
what muscle action does the L5 nerve root supply?
extension of the big toe
what muscle action does the S1 nerve root supply?
eversion of the foot, contract buttock, knee flexion
what muscle action does the S2 nerve root supply?
knee flexion, toe standing
what muscle action doe the nerve roots S3-4 supply?
muscles of the pelvix floor, bladder and genital function
what area does the C2 dermatome supply?
temple, forehead and occiput. GOOGLE DERMATOME MAP
what area does the C3 dermatome supply?
entire neck, posterior cheek, temporal area, prolongation forward under mandible
what area does the C4 dermatome supply?
shoulder area, clavicular area, upper scapular area
what area does the C5 dermatome supply?
deltoid area, anterior aspect of entire arm to base of thumb
what area does the C7 dermatome supply?
lateral arm and forearm to index, long and ring fingers
what area does the C8 dermatome supply?
medial arm and forearm to long, ring and little fingers
what area does the C6 dermatome supply?
anterior arm, radial side of hand to thumb and index finger
what area does the T1 dermatome supply?
medial side of forearm to base of little finger
what area does the T2 dermatome supply?
medial side of upper arm to medial elbow, pectoral and midscapular areas
what area do the T3-6 dermatomes supply?
upper thorax
what areas do the T5-7 dermatomes supply?
costal margin