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KUVVET ANTRENMANININ VÜCUT KOMPOZİSYONU VE BAZI HORMONLAR ÜZERİNE ETKİSİ

THE EFFECTS OF STRENGTH TRAINING ON BODY COMPOSOTION AND SOME HORMONES

Journal Name:

  • Hacettepe Üniversitesi Spor Bilimleri Dergisi

Publication Year:

  • 2005

Key Words:

Keywords (Original Language):

Author NameUniversity of AuthorFaculty of Author
Abstract (2. Language): 
In this study, the effects of strength training on body composition and the plasma levels of total thyroxine (TT4), growth hormone (GH), total testosterone (TT) and insulin have been examined. 17 male handball players, (19.25 ± 1.77 years old, 181.68 ± 8.73 cm height and 71.00 ± 10.15 kg weight) participated in the study during the transition period of their tra¬ining season. Subjects were underwent six weeks of strength training which was consisted of training and resting days followed each other. Just before and after the first and last tra¬ining period, plasma hormone levels were evaluated. Percent body fat along with leg, back and handgrip strength were measured. Compared to pretraining values, plasma TT4, GH and TT levels increased significantly following strengt training in both first and last training bouts. Plasma insulin levels were significantly lower following the first training bout (P<0.05). Six weeks of training did not effect basal hormone levels. On the other hand, strength tra¬ining resulted in a decrease in body fat percent and an increase in fat free body mass. We have concluded that, one of the responses of the body to acute exercise is the changes in hormone levels. On the other hand, 6 weeks of strength training did not affect the plasma hormone levels.
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Abstract (Original Language): 
Bu çalışmada, genç hentbol oyuncularında 6 haftalık kuvvet antrenmanının vücut kom¬pozisyonu, Total tiroksin (TT4), büyüme hormonu (BH), total testosteron (TT) ve insülin hor¬monları üzerine olan etkisi araştırılmıştır. Araştırmaya yaşları 19.25 ± 1.77 yıl, boyları 181.68 ± 8.73 cm ve vücut ağırlıkları 71.00 ± 10.15 kg olan 17 erkek hentbolcu sezon sonunda ka¬tıldı. Çalışma grubuna 6 hafta boyunca birer gün arayla 6 tekrar maksimal (6 TM) kuvvet ant¬renmanı uygulandı. Tek bir antrenman dozunun etkisi ile 6 haftalık antrenmanın gerek bazal ve gerekse antrenman sonrası hormon değerlerine etkisini ortaya koyabilmek için antrenman periyodunun ilk antrenmanı öncesi ve sonrası ile periyodun son antrenmanı öncesi ve son¬rası kan örnekleri alınarak radioimmünoassay (RİA) yöntemi ile hormon seviyeleri tespit edil¬di. Antrenman periyodunun başlangıcında ve sonunda vücut kompozisyonu ve bacak, sırt ve pençe kuvvet değerleri ölçüldü. Çalışma periyodunun gerek ilk ve gerekse son antrenma¬nında TT4, BH ve TT salınımında artış (P<0.01), insülin hormonu plazma düzeylerinde ise ilk antrenman sonunda anlamlı bir düşüş gözlenirken (P<0.01), antrenman periyodunun son antrenmanında bir değişime rastlanmamıştır (P>0.05). Dinlenim hormon değerlerinde ise 6 haftalık kuvvet antrenmanının bir değişikliğe yol açmadığı görülmüştür (P>0.05). Kuvvet ant¬renmanı periyodu sonrası vücut ağırlığında değişim olmaksızın vücut yağ yüzdesinde azal-ma, yağsız vücut kütlesinde artış gözlemlendi (P<0.01). Kuvvet değerleri incelendiğinde pen¬çe, sırt ve bacak kuvvetinin 6 hafta sonunda anlamlı bir şekilde arttığı gözlemlendi (P<0.01). Çalışmanın sonucunda, kan hormon konsantrasyonunun egzersize akut yanıt gösterirken, 6 haftalık antrenmanın bazal hormon düzeyinde bir değişikliğe yol açmadığı bulunmuştur.
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