Myotomes and Dermatomes Flashcards
1
Q
L1 dermatome region?
A
Groin
2
Q
L2 dermatome region?
A
Medial thigh
3
Q
L3 dermatome region?
A
Anteromedial thigh + superior-half of medial gastroc
4
Q
L4 dermatome region?
A
Anterior thigh + medial foot
5
Q
L5 dermatome region?
A
Lateral thigh + dorsal surface of foot + plantar surface of foot (middle 3 toes)
6
Q
S1 dermatome region?
A
Posterolateral thigh + lateral foot
7
Q
S2 dermatome region?
A
Posteromedial thigh
8
Q
L2 myotome?
A
Hip flexion
9
Q
S2 myotome?
A
Knee flexion
10
Q
L5 myotome?
A
Big toe extension
11
Q
L3 myotome?
A
Knee extension
12
Q
L4 myotome?
A
Foot dorsiflexion
13
Q
S1 myotome?
A
Foot plantarflexion, foot eversion, or big toe flexion
14
Q
L3/L4 deep tendon reflex?
A
Patellar tendon
15
Q
L5/S1 deep tendon reflex?
A
Achilles tendon