Lateral ankle sprains: A convincing argument for plyometric rehabilitation .
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OrthoEvidence Journal (OE Journal) - ACE Report
OE Journal. 2013;1(9):23Foot Ankle Int. 2010 Jun;31(6):523-30
22 young athletes with grade I or II unilateral inversion ankle sprain within 3 weeks of injury were randomized to plyometric training or resistive training for 6 week duration. At 6 week follow up, the plyometric rehabilitation following an acute ankle sprain resulted in significantly better functional performance than using resistive training alone.
Was the allocation sequence adequately generated?
Was allocation adequately concealed?
Blinding Treatment Providers: Was knowledge of the allocated interventions adequately prevented?
Blinding Outcome Assessors: Was knowledge of the allocated interventions adequately prevented?
Blinding Patients: Was knowledge of the allocated interventions adequately prevented?
Was loss to follow-up (missing outcome data) infrequent?
Are reports of the study free of suggestion of selective outcome reporting?
Were outcomes objective, patient-important and assessed in a manner to limit bias (ie. duplicate assessors, Independent assessors)?
Was the sample size sufficiently large to assure a balance of prognosis and sufficiently large number of outcome events?
Was investigator expertise/experience with both treatment and control techniques likely the same (ie.were criteria for surgeon participation/expertise provided)?
Sí = 1
Incierto = 0,5
No relevante = 0
No = 0
La evaluación de los criterios de información evalúa la transparencia con la que los autores informan de las características metodológicas y del ensayo dentro de la publicación. La evaluación se divide en cinco categorías que se presentan a continuación.
3/4
Randomization
3/4
Outcome Measurements
4/4
Inclusion / Exclusion
4/4
Therapy Description
3/4
Statistics
Detsky AS, Naylor CD, O'Rourke K, McGeer AJ, L'Abbé KA. J Clin Epidemiol. 1992;45:255-65
El Índice de Fragilidad es una herramienta que ayuda en la interpretación de hallazgos significativos, proporcionando una medida de fuerza para un resultado. El Índice de Fragilidad representa el número de eventos consecutivos que es necesario añadir a un resultado dicotómico para que el hallazgo deje de ser significativo. Un número pequeño representa un hallazgo más débil y un número grande un hallazgo más fuerte.
¿Por qué se necesitaba ahora este estudio?
Ankle sprain is an extremely common form of injury leading to physical disability. Plyometric training has been widely applied to improve performance in healthy athletes and is also highly recommended in the later part of rehabilitation after lower limb injuries. After an exhaustive literature search, the authors determined that although the effectiveness of plyometric exercise has been extensively studied, its applicability in acute ankle sprain rehabilitation is yet unknown.
¿Cuál era la pregunta principal de la investigación?
Does a 6-week plyometric therapy offer superior functional and muscle strength improvement than resistive training in athletes with a lateral ankle sprain?
- Both groups significantly improved at the end of the 6-week intervention in all 4 functional tests (climbing down stairs, number of heel and toe raises, and single-limb stance tests) from baseline (all p<0.001).
- The plyometric group displayed significantly greater improvements than the resistive group for all functional tests (p<0.05).
- After 6 weeks, both the resistive exercise and plyometric groups had significantly increased peak torque for evertors and invertors compared to body weight at both 30 and 120 degrees/second, when compared to baseline (p<0.05).
- There was no significant difference in the improvements in peak torque for evertors and invertors compared to body weight between groups (p>0.05).
¿Qué es lo que más debo recordar?
There was no significant differences in the peak torque of the ankle evertors or invertors; however, the overall functional performance following the plyometric training was significantly better than the resistance training.
¿Cómo afectará esto al cuidado de mis pacientes?
This study supports the use of plyometric training following acute ankle sprains. Muscle strength improvements were similar in both groups; however, functional performance was significantly improved in the plyometric group. The authors indicate that rehabilitation therapy took place 3 weeks following the injury.
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