The effect of plyometric training on muscle strength and function after anterior cruciate ligament reconstruction: a randomized controlled trial

Abstract

Purpose: The aim of this study was to investigate the effect of plyometric training on muscle strength and function after anterior cruciate ligament reconstruction (ACLR).

Methods: Twenty-five male subjects who completed 12 weeks of rehabilitation after ACLR were included in the study. The participants were randomly divided into two groups. The first group (n=13, age: 20.15±3.36 year) received a strengthening program and an additional plyometric training program 3 days a week for 8 weeks. The second group (n=12, age: 23.41±5.21 year) received only the strengthening program. Muscle strength was measured before and after training in both groups. In addition, one leg hop test, the International Knee Documentation Committee (IKDC) and Tampa Kinesiophobia Scale were applied to both groups at the end of the training.

Results: In both groups, there was an increase in quadriceps muscle strength after training (p<0.05), whereas hamstring muscle strength increased only in plyometric training group (p=0.001). In the comparison of muscle strength improvement, one-leg hop test, IKDC questionnaire and Tampa Kinesiophobia Scale results between the groups, a statistically significant difference was found in favor of the plyometric training group in all measurements (p<0.05).

Conclusion: Plyometric training after anterior cruciate ligament reconstruction has positive effects on muscle strength, knee functional outcomes and psychosocial status.

Keywords

• Plyometric exercise
• Anterior cruciate ligament
• Strength
• Function.

Ön çapraz bağ rekonstrüksiyonu sonrası pliometrik eğitimin kas kuvveti ve fonksiyon üzerine etkisi: randomize kontrollü çalışma

Abstract

Amaç: Bu çalışma, ön çapraz bağ rekonstrüksiyonu (ÖÇBR) sonrası pliometrik eğitimin kas kuvveti ve fonksiyon üzerine etkisini araştırmak amacıyla yapıldı.

Yöntem: Çalışmaya, ÖÇBR sonrası 12 haftalık rehabilitasyon programını tamamlayan 25 erkek birey dahil edildi. Katılımcılar randomize kontrollü olarak 2 gruba ayrıldı. Birinci gruba (n=13, yaş: 20,15±3,36 yıl) kuvvetlendirme programı ve buna ek olarak 8 hafta boyunca haftada 3 gün pliometrik eğitim programı verildi. İkinci gruba (n=12, yaş: 23,41±5,21 yıl) sadece kuvvetlendirme programı verildi. Her iki grubun da eğitim öncesi ve sonrası kas kuvveti ölçüldü. Ayrıca eğitim sonunda her iki gruba da tek bacak öne sıçrama testi, International Knee Documentation Committee (IKDC) ve Tampa Kinezyofobi Ölçeği uygulandı.

Bulgular: Her iki grupta da eğitim sonrası quadriceps kas kuvvetinde artış görülürken (p<0,05), hamstring kas kuvveti sadece pliometrik eğitim verilen grupta arttı (p=0,001). Kas kuvvetinin gelişimi, tek bacak öne sıçrama testi, IKDC anketi ve Tampa Kinezyofobi Ölçeği sonuçlarının gruplar arası karşılaştırılmasında, tüm ölçümlerde pliometrik eğitim verilen grup lehine istatistiksel olarak anlamlı fark bulundu (p<0,05).

Sonuç: Ön çapraz bağ rekonstrüksiyonu sonrası pliometrik eğitimin kas kuvveti, dizle ilgili fonksiyonel sonuçlar ve psikososyal durum üzerine pozitif etkileri vardır.

Keywords

• Pliometrik egzersiz
• ön çapraz bağ
• Kuvvet
• Fonksiyon.

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