Sedanter kadınlarda spinning ve orta şiddetli bisiklet ergometresi eğitimlerinin diz eklemi izokinetik kas kuvveti ve dayanıklılığı üzerine etkilerinin karşılaştırılması

Öz

Amaç: Amacımız sedanter kadınlarda spinning ve orta şiddetli bisiklet ergometresi eğitimlerinin diz eklemi izokinetik kas kuvveti ve dayanıklılığı üzerine etkilerini incelemekti.

Yöntem: Araştırma her iki grupta 27 sağlıklı sedanter kadın olmak üzere toplam 54 birey ile tamamlandı. Bir gruba bireysel olarak planlanmış orta şiddette bisiklet ergometresi eğitimi, diğer gruba grup egzersizi olan spinning eğitimi verildi. Eğitimler her 2 grupta da 45 dakika süre ile haftada 3 gün, 8 hafta boyunca sürdü. Diz eklemi ekstansör ve fleksör kaslarının 60°/sn ve 180°/sn açısal hızlardaki, konsantrik ve eksantrik kas kuvvetleri ve 180°/sn açısal hızdaki kassal dayanıklılık ölçümleri izokinetik dinamometre ile yapıldı.

Bulgular: Her iki eğitimin de 60°/sn ve 180°/sn açısal hızlarda konsantrik diz ekstansiyon ve fleksiyon kas kuvvetini arttırdı. 180°/sn açısal hızdaki kas kuvvet artışı spinning grubunda daha yüksekti (p<0,05). Eksantrik kuvvet ise sadece diz ekstansörlerinin 60°/sn açısal hızdaki ölçümünde bisiklet ergometresi lehine gelişim gösterse de bu etkinin büyüklüğü çok düşüktü (p<0,05, Cohen’s d<0,20). Her iki eğitim de diz eklemi ekstansiyon ve fleksiyon dayanıklılığını arttırdı (p<0,05). Diz ekstansörlerinin hem konsantrik hem de eksantrik dayanıklılık artışları spinning grubunda daha yüksekti (p<0,05).

Tartışma: Sonuçlar, orta şiddetli bisiklet ergometresi ve spinning eğitimlerinin sedanter kadınların, diz eklemi ekstansör ve fleksör kaslarının kuvvet ve dayanıklılığında artış sağladığını göstermiştir. Yüksek açısal hızlardaki kas kuvvet ve dayanıklılık artışı, spinning eğitimi alan bireylerde daha yüksektir.

Anahtar Kelimeler

• diz eklemi
• kas kuvveti
• egzersiz
• kadın

Comparison of the effects of spinning and moderate intensity cycle ergometer trainings on isokinetic knee muscle strength and endurance in sedentary females

Öz

Purpose: Our aim was to investigate of effects of spinning and moderate intensity cycle ergometer trainings on isokinetic knee muscle strength and endurance in sedentary females.

Methods: Trial was completed with total 54 individuals, 27 sedentary females for each group. One group participated in individualized cycle ergometer training, the other group did spinning as a group exercise. Trainings lasted for 8 weeks, 3 days a week with 45 minutes sessions. Concentric and eccentric muscle strength in 60°/sec and 180°/sec angle of speeds and endurance in 180°/sec of knee extensor and flexor muscles were assessed with isokinetic dynamometer.

Results: Both trainings improved concentric knee extensor and flexor muscle strengths in 60°/sec and 180°/sec angle of speeds. Muscle strength improvement in 180°/sec were better in spinning group (p<0.05). Even though the eccentric strength was only improved in 60°/sec in favour of cycle ergometer, the effect size of this improvement was too small (p<0.05, Cohen’s d<0.20). Both trainings improved knee extensor and flexor muscle endurance (p<0.05). The improvements were better in spinning group for both concentric and eccentric knee extensor endurance (p<0.05).

Conclusion: Results have shown that moderate intensity cycle ergometer and spinning trainings improve knee extensor and flexor muscle strength and endurance in sedentary females. Muscle strength and endurance improvements were higher in high angle of speeds among subjects after spinning training.

Anahtar Kelimeler

• Knee joint
• Muscle strength
• Exercise
• Female

Kaynakça

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