Spinal Reflexes and Dermatomes Flashcards
(9 cards)
1
Q
C5 dermatome
A
Sensory: back of shoulder and lateral arm Motor: Deltoid, Infraspinatus, Biceps Reflex: Biceps Disc: C4-C5 10% of UE radiculopathies
2
Q
C6 dermatome
A
Sensory: Typically thumb and second digit Motor: Biceps, wrist extensors Reflexes: Biceps, brachioradialis Disc: C5-C6 20% of UE radiculopathies
3
Q
C7 dermatome
A
Sensory: typically includes digit 3 Motor: Triceps Reflex: Triceps Disc: C6-C7 40-50% of UE radiculopathies
4
Q
T4 dermatome
A
nipples
5
Q
T6 Dermatome
A
Xyphoid Process
6
Q
T10 dermatome
A
Umbilicus
7
Q
L4 dermatome
A
Sensory: Knee and medial leg Motor: Psoas and Quads Reflex: Patellar Disc: L3-L4 5-10% of LE
8
Q
L5 dermatome
A
Sensory: Great toe and dorsum of foot Motor: Dorsiflexion, great toe extension, foot inverion and eversion Reflex: None Disc: L4-L5 40% of LE radiculopathies
9
Q
S1
A
Sensory: Lateral foot and sole of foot, small toe Motor: Plantarflexion Reflex: Achilles Disc: L5-S1 45% of LE radiculopathies
