Ulnar nerve injury
& foot drop
ABHIRAMI J J
,ULNAR NERVE
• Arises from Medial cord of Brachial plexus
• Root value: C8, T1
• ALSO RECIEVES CONTRIBUTION FROM VENTRAL RAMUS OF
C7 , WHICH SUPPLIES THE FLEXOR CARPI ULNARIS
, Branches:
• No branches in arm
• Proximal third of forearm- Flexor Carpi Ulnaris & Medial half of Flexor
Digitorum Profundus
• Hand- Superficial branch : PALMAR BREVIS (MOTOR) AND MEDIAL ONE A
HALF DIGITS (SENSORY)
• Deep branch :ALL THE INTRINSIC MUSCLES OF HAND EXCEPT MUSCLES 0
THENAR EMINENCE AND FIRST TWO LUMBRICALS.
& foot drop
ABHIRAMI J J
,ULNAR NERVE
• Arises from Medial cord of Brachial plexus
• Root value: C8, T1
• ALSO RECIEVES CONTRIBUTION FROM VENTRAL RAMUS OF
C7 , WHICH SUPPLIES THE FLEXOR CARPI ULNARIS
, Branches:
• No branches in arm
• Proximal third of forearm- Flexor Carpi Ulnaris & Medial half of Flexor
Digitorum Profundus
• Hand- Superficial branch : PALMAR BREVIS (MOTOR) AND MEDIAL ONE A
HALF DIGITS (SENSORY)
• Deep branch :ALL THE INTRINSIC MUSCLES OF HAND EXCEPT MUSCLES 0
THENAR EMINENCE AND FIRST TWO LUMBRICALS.
