ETIOLOGY

Question 1

what etiology is this?

an exaggerated of the normal arch of the foot

a fixed equines deformity of the forefoot relative to the rearfoot

Answer 1

pes cavus

Question 2

what are the major etiologies?

Answer 2

neuromuscular
idiopathic
STJ instability
-direct
-Indirect

Question 3

what etiology is this?

present in 66% of pes cavus foot types due to peroneal muscle atrophy (Charcot-Marie-Tooth Disease)

other causes-anterior poliomyelitis, spinal dysraphism, meningomyelocele, muscular dystrophy, freidrich’s ataxia and cerebral palsy

Answer 3

neuromuscular

Question 4

what etiology is this?

less common but seen, can be caused by rigid forefoot valgus; rigid plantar flexed 1st ray, or even metatarsus adductus

Answer 4

iodiopathic

Question 5

what etiology is this? like what type of STJ instability…

STJ in varus with an increased calcaneal inclination angle

Answer 5

direct STJ instability

Question 6

what etiology is this? like what type of STJ instability…

STJ placed in a varus due to everted forefoot to rearfoot relationship

Answer 6

indirect STJ instability