Degenerative condition of the plantar fascia that causes sharp pain on the bottom of the foot pain
Aetiology
Repetitive stress/overload or degenerative condition
Risk factors
Physical overload - excessive exercise, excessive weight (obesity)
Diabetes
Age - the cushioning heel fat pad atrophies with age
Abnormal foot shape - splanovalgus or cavovarus
Frequent walking on hard floors with poor cushioning in shoes
Clinical features
Symptoms
Start up pain after rest on the instep of the foot (at the origin of the plantar aponeurosis on the distal plantar aspect of the calcaneal tuberosity)
Pain can be worse after exercise
Signs
Fullness or swelling on plantarmedial aspect of heel
Localised tenderness on palpation of the plantar aspect of heel and/or plantarmedial aspect of heel
Tinel's test positive for Baxter's nerve
Investigations
Clinical diagnosis
Management