click below
click below
Normal Size Small Size show me how
Thoracic Spine
Dermatomes/Myotomes/Reflexes
Term | Definition |
---|---|
T1: Dermatome | Medial side of forearm to base of little finger |
T2: Dermatome | Medial side of upper arm to medial elbow, pectoral and mid-scapular areas |
T2: Muscle Weakness | Disk lesions at T1 and T2 do not give rise to root weakness. Weakness of intrinsic muscles of the hand is due to other pathology |
T2: Affected Reflex | None |
T2: Paresthesias | None |
T3-T6: Dermatome | Upper Thorax |
T3-T6 : Muscle Weakness | Articular and dural signs and root pain are common. Root signs (cutaneous analgesia) are rare and have such indefinite area, they have little localizing value. Weakness not detectable. |
T3-T6: Affected Reflex | None |
T3-T6: Paresthesias | None |
T5-T7: Dermatome | Costal Margin |
T5-T7: Muscle Weakness | Articular and dural signs and root pain are common. Root signs (cutaneous analgesia) are rare and have such indefinite area, they have little localizing value. Weakness not detectable. |
T5-T7: Affected Reflex | None |
T5-T7: Paresthesias | None |
T8-T12: Dermatome | Abdomen and Lumbar Region |
T8-T12: Muscle Weakness | Articular and dural signs and root pain are common. Root signs (cutaneous analgesia) are rare and have such indefinite area, they have little localizing value. Weakness not detectable. |
T8-T12: Affected Reflex | None |
T8-T12: Paresthesias | None |