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Flashcards in Pes cavus Deck (10):
0

What is pes cavus?

High arches foot often with heel varus ( cavovarus)

1

What is its pathology?

A contracted PLANTAR FASCIA
Weakness in TIBIALIS ANTERIOR cf PERONEUS LONGUS
-> FIXED PLANTAR FLEXION OF FOREFOOT

2

What are the causes of pes cavus?

NEUROMUSCULAR
Unilateral - tethered spinal cord
Spinal cord tumours
Bilateral- CHARCOT MARIE TOOTH
FRIEDREICH 'S ATAXIA
CEREBRAL PALSY
POLIO
IDIOPATHIC
TRAUMA- compartment syndrome, Malunion of fracture talus, crush injury

3

What would a pt complain of?

Pain and calluses - 1s MT, 5th MT, medial heel

4

What test would you perform on his pt feet?

COLEMAN BLOCK TEST

5

What is the COLEMAN BLOCK TEST?

Woden. Lock placed laterally to 1st ray , mt head off it. Test of foot on it

6

What does the test indicate?

Whether the deformity if drive by forefoot- plantar flexes first ray
If the hind foot passively corrects from varus to valgus the deformity is forefoot driven

7

How does a corrective hindfoot change management ?

Surgically a dorsal metatarsal dorsiflexion osteotomy is indicated

8

If the Coleman block test is negative with no correction of hindfoot valgus what is the tx?

A LATERAL CALCANEAL CLOSED WEDGE OSTEOTOMY is required as well as. DORSIFLEXION OSTEOTOMY OF 1st METATARSAL

9

If severe rigid deformity what would be tx?

Surgical TRIPLE ARTHRODESIS
COnsx- FULL LENGTH, semi rigid orthotic with depression of first ray and LATERAL WEDGE