Effects of Prolonged Hypertrophic Resistance Training on Acute Endocrine Responses in Young and Older Men

被引：16
|
作者：
Walker, Simon [1 ]
Santolamazza, Fabrizio [1 ]
Kraemer, William [2 ]
Hakkinen, Keijo [1 ]
机构：
[1] Univ Jyvaskyla, Dept Biol Phys Act, SF-40100 Jyvaskyla, Finland
[2] Ohio State Univ, Dept Human Sci Kinesiol, Coll Educ & Human Ecol, Columbus, OH 43210 USA
来源：
JOURNAL OF AGING AND PHYSICAL ACTIVITY | 2015年 / 23卷 / 02期
关键词：
growth hormone; testosterone; endocrine; adaptability; interindividual variation; SKELETAL-MUSCLE HYPERTROPHY; HORMONAL RESPONSES; GROWTH-HORMONE; EXERCISE PROTOCOLS; STRENGTH; WOMEN; ADAPTATIONS; AGE; PROTEIN; MORPHOLOGY;
D O I：
10.1123/japa.2013-0029
中图分类号：
R592 [老年病学]; C [社会科学总论];
学科分类号：
03 ; 0303 ; 100203 ;
摘要：
The present study investigated changes in acute serum hormone responses to a resistance exercise bout following a prolonged period of hypertrophic resistance training in young (YM) and older men (OM). Subjects performed a 5 x 10RM leg press exercise protocol before and after 20 weeks of hypertrophic resistance training. In YM, the acute responses in growth hormone were greater compared with before training (p < .05), and cortisol concentration did not increase after training. Endocrine responses in OM were similar before and after training. Greater acute growth hormone responses after training were associated with larger gains in lean mass in the entire subject group (r = .596, p = .019). These findings suggest that, in general, YM demonstrate greater adaptability within the endocrine system compared with OM. However, adaptability in growth hormone response was associated with larger training-induced gains independent of age.
引用
收藏
页码：230 / 236
页数：7
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