rearfoot disorders

pathology of any structures within the rearfoot, due to e.g. trauma, inflammation, overuse, rupture, fracture or infection (see Table 1)

**Table 1:** Rearfoot pain
Location of pain	Possible causes
Posterior aspect of heel	Sever's disease/traction apophysitis Duck bill fracture of calcaneum Haglund's deformity Insertional calcific Achilles tendinosis Deep retrocalcaneal bursitis Superficial retrocalcaneal bursitis Achilles tendinitis Partial rupture of Achilles tendon Total rupture of the Achilles tendon Blisters Chilblain/perniosis
Inferior (plantar) aspect of heel	Calcaneal fracture Osteoid osteoma Calcaneal spur Baxter's neuritis Sero-negative and sero-positive inflammatory joint disease Plantar calcaneal bursitis (policeman's heel; stone bruise; subcalcaneal bursitis) Proximal plantar fasciitis Proximal foot strain S1 entrapment neuropathy/radiculopathy Medial calcaneal nerve entrapment neuropathy Corn/callosity Verruca pedis
Medial aspect of the heel	Deltoid ligament strain/sprain Tibialis posterior tendinitis Tibialis posterior rupture/partial rupture Flexor hallucis longus tendinitis Flexor digitorum longus tendinitis
Lateral aspect of the heel	Lateral collateral ligament strain/sprain Peroneus longus tendinitis Peroneus brevis tendinitis
Anterior aspect of ankle	Osteochondritis dissecans of the talus Anterior impingement Extensor retinaculitis
Periphery of heel	Heel fissures Tinea pedis