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A comparison of two exercise protocols in the management of chronic Achilles tendinopathy.

A comparison of the Alfredson and Silbernagel protocols in the management of chronic Achilles tendinopathy.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
PACTR
Registry ID
PACTR201904468554670
Enrollment
40
Registered
2019-04-01
Start date
2019-04-15
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Musculoskeletal Diseases Skin and Connective Tissue Diseases

Interventions

Sponsors

University of Cape Town
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. The participant must be running for more than or equal to one year. 2. They have to be aged between 35-55 years old with a BMI less than or equal to 30. 3. The participants should, on assessment present with posterior lower limb pain in the mid-portion of the Achilles tendon area of at least 3 months duration and additionally fulfill at least one of the following diagnostic criteria; (a) early morning pain over the mid-portion of the Achilles tendon, (b) early morning stiffness over the mid-portion of the Achilles tendon, (c) a history of swelling over the Achilles tendon area, (d) tenderness to palpation of the mid-portion of the Achilles tendon, (e) palpable nodular thickening over the affected Achilles, and/or (f) movement of the painful area in the Achilles tendon with plantar-dorsi-flexion (positive ‘‘shift’’ test) 4. VISA-A (Victorian Institute of Sports Assessment- Achilles) score less than 80.

Exclusion criteria

Exclusion criteria: 1. Bilateral Achilles tendinopathy. 2. History of current or past fluoroquinolone antibiotic use (within the last 12 months). 3. Previous local corticosteroids injection in the Achilles tendon or the area surrounding the Achilles tendon prior to the onset of symptoms. 4. A history of Achilles tendon rupture. 5. Use of chronic medications 6. Diagnosed connective tissue disorders or any other systemic diseases believed to be associated with tendinopathy, such as, but not limited to, Elhers-Danlos Syndrome, benign hypermobility joint syndrome, rheumatoid arthritis, systemic lupus erythematosus, hyperparathyroidism, renal insufficiency, diabetes mellitus and familial hypercholesterolemia. 7. Insertional Achilles tendinopathy, 8. Congenital or acquired lower limb deformities. 9. Lower limb injury in the last 12 months and/or surgery to the lower limb in the last 2 years. 10. Participants who have performed the exact or similar exercise protocol in the last 4 weeks or received other treatment for their tendinopathy will not be eligible to participate.

Design outcomes

Primary

MeasureTime frame
VISA-A score

Secondary

MeasureTime frame
Short Form McGill Pain Questionnaire;Brief Pain Inventory;Pressure pain threshold

Countries

South Africa

Contacts

Public ContactNonhlanhla Mkumbuzi

PhD student

nsmkumbuzi@gmail.com+27623408451

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Aug 9, 2026