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A Journal on Applied Physiology, Biomechanics, Preventive Medicine,
Sports Medicine and Traumatology, Sports Psychology

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The Journal of Sports Medicine and Physical Fitness 2016 December;56(12):1494-502


language: English

Jumping improves lower limbs bone mass and lean mass in elite jumpers

Hela TRABELSI 1, Mohamed ELLOUMI 1, Mehdi MRAD 2, Chirine AOUICHAOUI 1, Sabri G. CHORTANE 1, Ilhem CHEOUR 3, Zouhaier TABKA 1

1 Laboratoire de Physiologie et des Explorations Fonctionnelles, Faculté de Médecine Ibn El Jazar Sousse, Université de Sousse, Hôpital Farhat Hached, Sousse, Tunisia; 2 Service de Biochimie Clinique, Hôpital Charles Nicolle, Tunis, Tunisia; 3 Laboratoire de Recherche Immuno-rhumatologie, Service de Rhumatologie, Hôpital La Rabta, Tunis, Tunisia


BACKGROUND: The present study was designed to examine the influence of extreme impact loading induced by jump training on bone mineral density (BMD) and bone mineral content (BMC) in high level jumpers.
METHODS: Forty boys volunteered for the study aged 20 to 21 years. They were 22 high level jumpers and 18 controls. Bone mass and body composition measurements were performed by dual-energy X-ray absorptiometry, in the total body and at different sites.
RESULTS: The results showed that BMC, BMD, bone area, and lean mass (P<0.0001) were significantly higher in the jumpers compared to the controls. A strong positive correlation was found between lean mass and bone parameters (BMC at the right femur, r=0.80; P<0.01). The values of the same correlation were weak in the control group. In addition, the effects of the regular practice of jumping on the BMD, BMC, and bone area were more pronounced in the lower limbs (P<0.01). These adaptations were site-specific, with increased bone mass at the lower limbs (P<0.01), especially at the legs, right and left leg (LRL) (P<0.05). It appears that the time dedicated to this activity may be account for the difference between jumpers and controls.
CONCLUSIONS: The practice of high level jump starting at pubertal age generates an increase and an acquisition of the bone mass in males. This adaptation is further enhanced by the times dedicated for this activity. Therefore, it would be interesting to program jumping activities daily to conserve bone mineral and to prevent osteopenia.

KEY WORDS: Absorptiometry, photon - Skeleton - Athletes

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Publication History

Issue published online: December 12, 2016
Article first published online: January 14, 2016
Manuscript accepted: January 7, 2016
Manuscript revised: December 22, 2015
Manuscript received: June 14, 2015

Cite this article as

Trabelsi H, Elloumi M, Mrad M, Aouichaoui C, Chortane SG, Cheour I, et al. Jumping improves lower limbs bone mass and lean mass in elite jumpers. J Sports Med Phys Fitness 2016;56:1494-502

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