The effects of low-intensity resistance training with vascular restriction on leg muscle strength in older men

被引:225
作者
Karabulut, Murat [1 ]
Abe, Takashi [3 ]
Sato, Yoshiaki [4 ]
Bemben, Michael G. [2 ]
机构
[1] Univ Texas Brownsville, Dept Hlth & Human Performance, Texas Southmost Coll, Brownsville, TX 78520 USA
[2] Univ Oklahoma, Dept Hlth & Exercise Sci, Norman, OK 73019 USA
[3] Univ Tokyo, Grad Sch Frontier Sci, Chiba, Japan
[4] Univ Tokyo, Dept Ischem Circulatory Physiol, Tokyo, Japan
关键词
Blood flow restriction; Exercise volume; Strength; QUADRICEPS FEMORIS; MUSCULAR FUNCTION; EXERCISE; ADAPTATIONS; FIBER; OCCLUSION; ATROPHY;
D O I
10.1007/s00421-009-1204-5
中图分类号
Q4 [生理学];
学科分类号
071003 [生理学];
摘要
The purpose of this study was to investigate and compare the effects of two types of resistance training protocols on the adaptation of skeletal muscle strength in older men. Thirty-seven healthy male subjects (50-64 years) participated in this study. Subjects were assigned to one of three groups: high-intensity (80% 1-RM) resistance training (RT80); low-intensity (20% 1-RM) resistance training with vascular restriction (VR-RT20); and a control group (CON) that performed no exercise. Subjects in both exercise groups performed three upper body (at 80% 1-RM) and two lower body exercises either with (20% 1-RM) or without (80% 1-RM) vascular restriction three times a week for 6 weeks. As expected, the RT80 and VR-RT20 groups had significantly (p < 0.01) greater strength increases in all upper body and leg press exercises compared with CON, however, absolute strength gains for the RT80 and VR-RT20 groups were similar (p > 0.05). It should be noted that the percentage increase in leg extension strength for the RT80 group was significantly greater than that for both the VR-RT20 (p < 0.05) and CON groups (p < 0.01), while the percentage increase in leg extension strength for the VR-RT20 group was significantly (p < 0.01) greater than that for the CON. The findings suggested that leg muscle strength improves with the low-load vascular restriction training and the VR-RT20 training protocol was almost as effective as the RT80 training protocol for increasing muscular strength in older men.
引用
收藏
页码:147 / 155
页数:9
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