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Objectives: To analyze the effects of proprioceptive and strengthening exercises versus the same exercises and manual therapy on the recurrent ankle sprain management.
Design: A randomized clinical trial with two intervention groups and triple blind.
Settings: University Hospital.
Participants: Fifty-four patients with previous history of recurrent ankle sprains, regular sports practice and pain during the physical activity, randomly assigned to experimental or control group.
Intervention: Control group performed 4 weeks of proprioceptive and strengthening exercises; experimental group performed 4 weeks of the same exercises combined with manual therapy.
Main Outcomes Measures: Pain, ankle instability, pressure pain threshold (PPT), ankle eversion strength, and active range of motion in ankle joint. The measures were taken before, after and one month after the interventions.
The recurrent ankle sprain means the most frequent complication from the ankle sprain and the previous phase of the chronic ankle stability (CAI), which involves between 20 - 41% of all ankle sprains.
Residual pain concerns the first symptom after instability in most of the cases, but patients also show reduced ankle joint position sense, ankle range of motion, and strength of ankle inversion muscles.
Proprioception exercises on multiplane and unstable platforms, as well as strengthening through eccentric exercises report benefits in pain and function, suggesting the active therapy as the most effective treatment instead of passive manual therapy in chronic phases.
However, several studies analyzed the effects of the manual therapy in the management of the ankle sprain recurrence: the posterior gliding of astragalus and the tibiotarsal joint coaptation improved the ankle range of motion, which was related with recurrent ankle sprain and its residual symptoms.
Despite the benefits from active and passive therapy, very few authors up to date investigated the combination of both clinical approach in the recurrent ankle sprain. Literature analyzed the effects of a combined program including exercises to the manual therapy in acute ankle sprain and concluded that the variety in the manual therapy techniques reported more pain release and improved function.
Besides, based on the effects of joint mobilization techniques, the neurodynamic mobilization could be an appropriate therapy, due to the neural distribution of fibular nerve through the ankle joint, but no studies to date to our knowledge included this technique as part of the recurrent ankle sprain management.
This study aimed to analyze the effects of proprioceptive and strengthening exercises versus the same exercises and manual therapy on the recurrent ankle sprain management.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Experimental | Experimental | performed the same exercises and manual therapy during 4 weeks |
|
| Control | Active Comparator | performed proprioceptive and strengthening exercises during 4 weeks |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Experimental (proprioception exercises, muscle strengthening, joint mobilization) | Procedure | The experimental group performed a combined protocol of proprioception (the patient doing exercises standing on an unstable plane)exercises and muscle strengthening (The patient performed eccentric exercises to work the movement inversion of ankle), and joint mobilization techniques of the ankle joint two session per week, during four weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Pain | All the subjects showed their pain level from 0 (no pain) to 10 (maximum pain) in a Visual Analogical Scale (VAS). | Change from baseline at one month |
| Measure | Description | Time Frame |
|---|---|---|
| The Cumberland Ankle Instability Tool (CAIT) | Change from baseline at one month | |
| Pressure Pain Threshold (PPT) | An algometer Wagner FPI 10-WA was used to determine the PPT in the anterior talofibular ligament, the calcaneofibular ligament, tibial malleolus, and fibular malleolus. The pressure was perpendicular hold in each structure, while patients were positioned sidelined on the unaffected side with knee and hip semiflexion |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Tomas Gallego-Izquierdo, Dr | Alcala University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Alcalá University | Alcalá de Henares | Madrid | 28871 | Spain |
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| ID | Term |
|---|---|
| D016512 | Ankle Injuries |
| D009043 | Motor Activity |
| ID | Term |
|---|---|
| D007869 | Leg Injuries |
| D014947 | Wounds and Injuries |
| D001519 | Behavior |
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|
| Control (proprioception exercises, muscle strengthening) | Procedure | The control group performed only proprioception exercises (the patient doing exercises standing on an unstable plane) and muscle strengthening (The patient performed eccentric exercises to work the movement inversion of ankle). Two sessión per week during four weeks |
|
| Change from baseline at one month |
| Active range of motion in ankle joint | A standard goniometer was employed. Patients were seated in 90º knee flexion and ankle neutral position. The goniometer fulcrum was placed over the lateral malleolus, with its proximal arm over the fibular diaphysis and distal arm over the fifth metatarsal. Patients were asked to actively perform a flexion and extension of ankle. | Change from baseline at one month |
| Strength in ankle flexion and extension | dynamic dynamometry with MicroFet-2 was used while patients were positioned in supine and lower limb on the therapeutic table. From this position, patients performed ankle flexion and extension. The test-retest reliability of this tool has been previously shown | Change from baseline at one month |