| Dermatomes | Myotomes | DTR | |
| L1 | the lower trunk/upper part of lower extremity to the hip girdle and the groin area |
Hip flexion | |
| L2 | Anterior aspect of each thigh; the skin over the medial aspect of the mid thigh | ||
| L3 | Anterior and medial aspect of the thighs and the knee | Knee extension | Patella |
| L4 | Medial aspect of the legs | Ankle dorsiflexion | |
| L5 | Lateral aspect of the leg(upper half) and dorsum of foot | Big toe extension | Medial hamstring |
| S1 | Lateral part of leg(lower half) and lateral malleolus |
Hip extension, Ankle palntarflexion, Ankle eversion |
Achilles |
| S2 | Most of the back of the thigh and a small area along the medial aspect of the posterior lower leg; the penis and scrotum | Knee flexion |
Clinically important dermatomes
• C6 – Thumb
• C7 – Middle finger
• C8 – Little finger
• T1 – Inner forearm
• T2 – Upper inner arm
• L3 – Knee
• L4 – Medial malleolus
• L5 – Dorsum of foot
• L5 – Toes 1-3
• S1 – Toes 4 and 5; lateral malleolus
• C2 and C3 – Posterior head and neck
• T4 – Nipple
• T10 – Umbilicus
[…] Upper limb dermatome area, Lower limb dermatomes area […]
[…] Neurological test […]
[…] Neurological test […]