FOOT & ANKLE
Plyometric training versus resistive exercises after acute lateral ankle sprain
This report has been verified
by one or more authors of the
original publication.
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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)?
はい = 1
不確実＝0.5
無関係 = 0
いいえ = 0
報告基準評価では、著者が出版物内で試験の方法論的特徴や試験特性を報告する際の透明性を評価します。評価は以下の5つのカテゴリーに分類されます。
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
Fragility Indexは、重要な所見の解釈を助けるツールで、結果の強さの尺度を提供します。Fragility Indexは、その所見が有意でなくなるために、二項対立の結果に追加する必要がある連続した事象の数を表します。数値が小さいほど弱い所見を表し、数値が大きいほど強い所見を表します。
なぜ今この研究が必要なのですか？
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.
主な研究課題は何ですか？
Does a 6-week plyometric therapy offer superior functional and muscle strength improvement than resistive training in athletes with a lateral ankle sprain?
重要な知見は？
- 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).
最も覚えておくべきことは？
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.
それが私の患者ケアにどのように影響するか？
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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