This document discusses common peroneal nerve injury. It describes the anatomy of the common peroneal nerve including its superficial and deep branches. It notes that common peroneal nerve injury can cause foot drop. Surgical treatment options for common peroneal nerve injury are discussed, including nerve repair, tendon transfer surgery, and percutaneous lengthening of the tendocalcaneus.

1. COMMON PERONEAL
NERVE INJURY
Dr Madhukesh R
Senior Resident
Department of Orthopaedics
JSS Medical college and Hospital

2. ANATOMY OF COMMON PERONEAL
NERVE

3. SUPERFICIAL PERONEAL NERVE
• MOTOR SUPPLY
-PERONEUS LONGUS
-PERONEUS BREVIS
• CUTANEOUS BRANCH
-SUPPLY SKIN ON THE ANTERIOR AND
LATERAL ASPECT OF LEG AND THE DORSUM
OF FOOT.

4. DEEP PERONEAL NERVE
• MOTOR SUPPLY
-TIBIALIS ANTERIOR
-EXTENSOR DIGITORUM LONGUS
-EXTENSOR HALLUSIS LONGUS
-PERONEUS TERTIUS
-EXTENSOR DIGITORUM BREVIS
-1ST DORSAL INTEROSSEUS
• CUTANEOUS SUPPLY
-SKIN OVER THE 1ST INTER DIGITAL WEB SPACE

6. ANTERIOR GROUP MUSCLES

7. FOOT DROP
• INABILITY TO ACTIVELY DORSIFLEX AND EVERT
THE FOOT.

20. HIGH STEPPING GAIT

31. NERVE REPAIR
• IN CASE OF NERVE REPAIR THE RESULTS ARE
POOR IF SURGERY IS DONE 12 MONTHS POST
INJURY

34. TENDON TRANSFER SURGERY
• https://www.youtube.com/watch?v=Olt4HJQb
F5I

35. OBER’S TECHNIQUE
• ANCHORING OF POSTERIOR TIBIAL TENDON
TO THE BASE OF 3RD METATARSAL
• HATTS MODIFIED OBERS- MEDIAL CUNEFORM
TENDON ANCHORING IS DONE.

44. PERCUTANEOUS LENGTHENING OF
TENDOCALCANEUS
• POSITION :Prone
knee-extension,ankle-dorsiflexion
• Three partial tenotomies
• Heel varus- 2 incision medially
valgus-2 incision laterally

55. MCQ s
Which of the following statements regarding
injury to common peroneal nerve is false?
• A. It causes foot drop
• B. Anaesthesia of sole of foot
• C. Loss of dorsiflexion of toes
• D. Results from injury to neck of fibula

56. Which of the following statements regarding
injury to common peroneal nerve is false?
• A. It causes foot drop
• B. Anaesthesia of sole of foot
• C. Loss of dorsiflexion of toes
• D. Results from injury to neck of fibula

57. MCQ s
How many compartments are there in leg ?
• A 3
• B 5
• C 4
• D 2

58. MCQs
How many compartments are there in leg ?
• A 3
• B 5
• C 4
• D 2

59. MCQs
These are the causes of food drop except
A L4-L5 disc prolapse
B Intramuscular injection (gluteal)
C Proximal tibia communited fracture
D Bi malleolar fracture

60. These r the causes of food drop except
A L4-L5 disc prolapse
B Intramuscular injection (gluteal)
C Proximal tibia communited fracture
D Bi malleolar fracture

61. MCQ s
Which of these muscle is used for the tendon
transfer in case of foot drop ?
A Peroneous longus
B Extensor digitorum
C Tibialis Posterior
D Tibialis Anterior

62. Which of these muscle is used for the tendon
transfer in case of foot drop ?
A Peroneous longus
B Extensor digitorum
C Tibialis Posterior
D Tibialis Anterior

63. MCQs
Rate of regeneration of severed nerve is
A 0.1mm/day
B 1mm/day
C 1cm/day
D None

64. Rate of regeneration of severed nerve is
A 0.1mm/day
B 1mm/day
C 1cm/day
D None