The Acute Effect of Isotonic Versus Isometric Exercise Versus Walking on Pain in Individuals With Plantar Fasciopathy

Inclusion Criteria: * History of inferior heel pain for at least three months before enrolment * Pain on palpation of the medial calcaneal tubercle or the proximal plantar fascia * Thickness of the plantar fascia of 4.0 mm or greater * Pain during at least one of three pain aggravating activities (static stance, half squat and heel raise) * Mean heel pain of ≥ 20 mm on a 100 mm VAS \[0mm = no pain, 100mm = worst pain imaginable\] during the past week Exclusion Criteria: * Below 18 years of age * History of inflammatory systemic diseases * Pain or stiffness in the 1st metatarsophalangeal joint to an extent where the exercises cannot be performed * Prior heel surgery * Pregnancy * Pain medication * Corticosteroid injection for plantar fasciopathy within the past six months