overuse injury Achilles tendinopathy Overuse Injury
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Healthy group: Subjects should be active at least once a week in sports activities which have running, jumping and landing components such as running, soccer, basketball etc. Age range should be between 18 - 55 years-old. Patient group: Subjects should be active athletes in sports activities which have running, jumping and landing components such as running, soccer, basketball etc. Age range should be between 18 - 55 years-old. ;Patients should fulfil following clinical diagnostic criteria of Achilles tendinopathy: (a) Non-insertional tendinopathy (2 to 6 cm proximal to the insertion of the Achilles tendon into the calcaneus) (b) Abnormality in ultrasound imaging (The ultra sound testing will be performed in the context of the regular patient care by the sports physician and is no part of this study). (c) Pain for at least 3 months only in one limb (d) Score in VISA-A questionnaire
Exclusion criteria
Exclusion criteria: (a) Current pain in lower limb and back (only exception is Achilles tendionapthy for patient group) (b) Past lower limb trauma that has caused current imbalance in walking or running (c) Current neurological and metabolic disorders that have effect on lower limb function (diagnosed by sports physician) (d) Current inflammatory arthritis of foot, ankle, knee, hip and back. (diagnosed by sports physician) (e) Lack of normal lower extremity function that interferes with normal walking and running pattern (diagnosed by sports physician)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| External ankle dorsiflexion moment during the push off phase | — |
Secondary
| Measure | Time frame |
|---|---|
| Muscle activity (m. Tibialis Anterior, lateral and medial m. Gastrocnemius) changes in response to the rockered shoe Changes in other biomechanical parameters of gait in ankle, knee and hip (Joint angles, forces, moments, power and Spatio-temporal parameters) | — |
Countries
Netherlands