Eccentric Exercise in Treatment of Achilles Tendinopathy

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

45 participants

Study Classification

INTERVENTIONAL

Study Start Date

1999-01-31

Study Completion Date

2007-12-31

Brief Summary

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The purpose of the present study is to examine the long-term effect of eccentric exercises compared with stretching exercises on patients with achillodynia.

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Detailed Description

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Patients with achillodynia for at least 3 months are randomly allocated to one of two exercise regimens. Exercise is performed daily for a 3-month period. Symptom severity is evaluated by tendon tenderness, ultrasonography, a questionnaire on pain and other symptoms, and a global assessment of improvement. Follow-up is performed at time points 3, 6, 9, 12 weeks and 1 year.

Conditions

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Achillodynia

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Eccentric exercises

The patients were instructed to stand with straight legs on a small step, lift up on the toes, hereafter put the weight on the injured leg and slowly lower the heel as far as possible until they felt a maximal stretch of the calf muscles and/or the Achilles tendon. The exercises were repeated 15 times. Then the patients were told to repeat the exercises with semi-flexed knee. If possible the series should be repeated twice increasing to three times at each session. If pain decreased they should increase the load on the Achilles tendons by wearing a rug sack and increasing the weight of the rug sack by adding weights (5kg each). The patients were told that some pain was to be expected from the tendon during exercise, but that increasing daily pain or morning stiffness indicated that the exercises had been progressed too fast.

Group Type EXPERIMENTAL

Eccentric exercises

Intervention Type OTHER

Control treatment, stretching exercises

The patients were instructed in standing stretching exercises of the gastrocnemius (straight leg) and soleus (bended knee). The stretch was slowly increased and maintained for 30s. This stretch was to be repeated five times during each session. The patients were instructed that the stretching should be pain free, although a small degree of unpleasantness was allowed.

Group Type OTHER

Stretching exercises

Intervention Type OTHER

Interventions

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Eccentric exercises

Intervention Type OTHER

Stretching exercises

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

1. Pain in the Achilles tendon area with one of the two following findings. a) Distinct tenderness of Achilles tendon with no pain in the neighboring structures. b) Ultrasonographic changes defined as local thickening of the symptomatic tendon or a globally more than 2mm thicker tendon on the sick side.
2. Diffuse pain in the posterior region of the ankle with local tenderness of the Achilles tendon and ultrasonographic changes (as described above).

Exclusion Criteria

1. Treatment of achillodynia with stretching or eccentric training for more than 2 weeks within the last 2 years.
2. Other injuries in the lower extremity or the knee, which by the examining doctor was evaluated to influence the evaluation of symptoms or the ability to perform the training program.
3. Acute symptoms with ultrasonographic changes consistent with a partial rupture of the tendon.
4. Age less than 18 years or over 70 years.
5. Previous operation on the tendon or steroid injections.

Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No