dermatome & myotomes

DERMATOME & MYOTOMES???

DERMATOME & MYOTOMES???What is Dermatome and Myotome

DERMATOMEis the are of the skin supplied by single spinal nerve

WHY TO CHECK DERMATOMES

Dermatomes Of Upper ExtrimityC1 : Top of headC2: Temple, Forehead occiputC3: Neck and Posterior CheekC4: Superior part Chest(Clavicular area)C5: Lateral side of arm and deltoid regionC6: Anterior arm Lateral side of hand and Thumb and index fingerC7:Lat arm and forearm Index finger long and ring fingerC8: Middle arm forearm and little FingerT1:Middle Side of forearm to finger

DERMATOMES OF THORAX AND ABDOMEN

DERMATOMES OF L/LL1: Lower abdomen and groinL2: Anterolateral ThighL3:Anteromedial thighL4: Medial Buttock Lat. Thigh Med. Leg Dorsum of foot and Great toeL5:Post lat. Thigh Lat thigh Dorsum of foot Med half of sole and first 3 toes..S1: Lateral Planter surface and Posterior thigh and legS2: Posterior Thigh and legS3:Groin and medial leg and thighS4-5:Perineum gentiles and lower sacrum

MYOTOMESIts the muscles being supplied by spinal nerve

The muscle and its nerve makes the myotome

MYOTOMES OF U/LAT SHOULDER LEVEL: C5:Abduction and Lateral Rotation C7: Adduction and Med. Rotation AT ELBOW LEVEL: C5-6: Flexion C7-8: Extension C6: Pronation/SupinationAT WRIST LEVEL: C6-7:Flexion/ExtensionAT FINGERS:C7-8:FlexT1:Addc/abduc

MYOTOMES L/LHIP JOINTS: Myotomes of the Lower LimbHip JointFlexion: L2-3 (also adduction and medial rotation) Extension: L4-5 (also abduction and lateral rotation) Knee JointExtension: L3-4 Flexion: L5-S1 Ankle Joint and FootDorsiflexion: L4-5 Plantarflexion: S1-2 Inversion: L4 Eversion: L5-S1