Dermatomes Exam 1 Flashcards
What dermatome is associated with the perineum?
S2-S4
What dermatome is associated with the lateral foot?
S1
What dermatome is associated with the knee and distal thigh?
L3-L4
What dermatome is associated with the inguinal ligament?
T12
What dermatome is associated with the umbilicus?
T10
What dermatome is associated with the xyphoid process?
T6
What dermatome is associated with the nipple?
T4
What dermatome is associated with the inner forearm?
T1-T2
What dermatome is associated with the thumb and index finger?
C6-C7
What dermatome is associated with the shoulder and clavicle?
C4-C5
What myotome is associated with neck flexion/extension?
C1/C2
What myotome is associated with neck lateral flexion?
C3
What myotome is associated with shoulder elevation?
C4
What myotome is associated with shoulder abduction?
C5
What myotome is associated with elbow flexion and wrist extension?
C6
What myotome is associated with elbow extension and wrist flexion?
C7
What myotome is associated with thumb extension and ulnar deviation?
C8
What myotome is associated with abduction or adduction of hand intrinsics?
T1
What myotome is associated with knee extension?
L3
What myotome is associated with hip flexion?
L1/L2
What myotome is associated with ankle dorsiflexion?
L4
What myotome is associated with toe extension?
L5
What myotome is associated with ankle plantar flexion/eversion, hip extension, knee flexion?
S1
What myotome is associated with knee flexion?
S2
What myotome is associated with rectal sphincter tone?
S3
What portion of the spinal cord is covered by the cervical plexus?
C1-C4
What portion of the spinal cord is covered by the interscalene?
C5-C7
What portion of the spinal cord is covered by the brachial plexus?
C5-T1
What are the main nerves of the arm?
axillary, musculocutaneous, median, radial, ulnar
What portion of the spinal cord is covered by the lumbar plexus?
L1-L4
What portion of the spinal cord is covered by the sacral plexus?
S1-S4 + L4&L5
What portion of the spinal cord is covered by the sciatic nerve?
L4-S3