Jump 트레이닝이 쥐(rat)의 뼈 형태 및 강도에 미치는 영향Structural and Mechanical Adaptations of the Limp Bones to Jump Training in Rats
- Authors
- 이신언; 유덕수; 임정일
- Issue Date
- Feb-2003
- Publisher
- 한국스포츠리서치
- Citation
- 한국 스포츠 리서치, v.14, no.2, pp 793 - 801
- Pages
- 9
- Journal Title
- 한국 스포츠 리서치
- Volume
- 14
- Number
- 2
- Start Page
- 793
- End Page
- 801
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/65745
- ISSN
- 1228-4289
- Abstract
- Structural and mechanical adaptations of the femur and tibia to jump and run training were investigated in female Fischer 344 rats. Rats aged 4 week were trained for 8 weeks after 1 week of stabilization. In experiment A, the forced run-trained (speed : 30m/min, duration : 1h/day)group was compared with the control group. In experiment B, voluntary run and jump-trained (height : 40cm, 100 times/day) group were compared with the control group. The limb bones of the jump-trained group had greater cross-sectional areas and greater maximum load in a fracture test than the limb bones of the control group, but there was no significant difference in bone length between the jump-trained group and the controls. The bone adaptations to forced running and voluntary running were similar. The limb bones of both run groups were longer than those of each control group. The cross-sectional areas and the maximum load in the run-trained groups were greater than those in each control group but less than those in the jump-trained group. The present results indicate that bone adaptations to jump training and run training differ and that jump training is more effective for building stronger bones.
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