Lower limb dermatomes myotomes & reflexes

Question 1

Which dermatome is associated with the skin over the inguinal ligament?

Answer 1

L1

Question 2

Sensory testing on the lateral aspect of the thigh corresponds to which spinal segment?

Answer 2

L2

Question 3

Sensory input from the medial leg and the big toe is tested for which spinal level?

Answer 3

L4

Question 3

The little toe’s sensation is associated with which spinal segment?

Answer 3

S1

Question 4

The dermatome covering the lower medial portion of the thigh is linked to which spinal segment?

Answer 4

L3

Question 5

Flexion at the hip joint is controlled by which spinal segments?

Answer 5

• L1 & L2

Question 5

Which spinal segment is responsible for the dermatome covering the middle three toes and the lateral side of the leg?

Answer 5

L5

Question 5

Extension of the knee is primarily governed by which spinal levels?

Answer 5

• L3 & L4

Question 6

Sensory innervation of the back of the thigh corresponds to which spinal segment?

Answer 6

S2

Question 6

Which spinal segment is responsible for sensory innervation over the gluteal fold?

Answer 6

• S3

Question 7

The perineal region receives sensory input from which spinal segments?

Answer 7

• S4 & S5

Question 8

Knee flexion is controlled by which spinal segments?

Answer 8

• L5, S1 & S2

Question 9

A patellar reflex test is used to assess the function of which spinal segments?

Answer 9

• L3 & L4

Question 9

Which spinal segments are responsible for controlling plantar flexion of the foot?

Answer 9

• S1 & S2

Question 10

Which spinal segments are tested by tapping the Achilles tendon?

Answer 10

• S1 & S2

Question 10

Adduction of the toes is managed by which spinal segments?

Answer 10

• S2 & S3