A comparison of bone mineral densities among female athletes in impact loading and active loading sports

Fehling, Patricia C.; Alekel, L.; Clasey, Jody L.; Rector, Amy L; Stillman, R. J.

doi:10.1016/8756-3282(95)00171-9

Cited by 288 publications

(203 citation statements)

References 23 publications

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“…Outros estudos realizados com jogadoras de voleibol também demonstraram superioridade na DMO em relação ao grupo controle quando comparados com outros esportes caracterizados como sendo de baixo impacto (12)(13)(14)(15) . Essa superioridade encontrada no GV pode ser explicada pelo aumento da carga muscular e mecânica exercida pelo voleibol no tecido ósseo, passando dos limites da zona de carga fisiológica (9) .…”

Section: Resultsunclassified

“…Há produção de forças que varia de três a seis vezes o peso corporal, sendo classificado como um esporte de alto impacto (12) . Apesar de o voleibol estar entre os esportes considerados de alto impacto, existem poucos estudos que relacionam sua prática ao desenvolvimento da DMO (13)(14)(15) . Portanto, o presente estudo teve como objetivo comparar a DMO entre garotas participantes de equipes de treinamento de voleibol e de garotas participantes de atividade física escolar.…”

Section: Introductionunclassified

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Influência do voleibol na densidade mineral ossea de adolescentes do sexo feminino

Mesquita

Fonseca

França

2008

Rev Bras Med Esporte

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RESUMOSabe-se que esportes com grandes cargas mecânicas e maior impacto do corpo com o solo resultam em maior massa óssea do que atividades em que o peso do corpo é pouco solicitado. Apesar de o voleibol estar entre os esportes considerados de alto impacto, existem poucos estudos que relacionam sua prática ao desenvolvimento da densidade mineral óssea (DMO). Portanto, o presente estudo teve como objetivo comparar a DMO entre garotas participantes de equipes de treinamento de voleibol e de garotas participantes de atividade física escolar. Foram avaliadas 60 voluntárias com idade entre 13 e 17 anos. Elas foram divididas em grupo voleibol (GV) -composto pelas praticantes de voleibol -e grupo controle (GC). Foram mensurados massa corporal, estatura, consumo de cálcio, DMO do corpo inteiro, da cabeça, do colo do fêmur e do triângulo de Wards e estágio de maturação sexual. Foi utilizado o teste t para amostras independentes, para comparar a diferença entre as médias dos dois grupos (p < 0,05). Os resultados mostraram que a DMO do corpo inteiro (1,174 ± 0,065), colo do fêmur (1,164 ± 0,096) e triangulo de Wards (1,111 ± 0,138) do GV é significativamente maior que a DMO do GC (corpo inteiro: 1,083 ± 0,082; colo do fêmur: 0,998 ± 0,142; triangulo de Wards: 0,944 ± 0,178). Porém, a DMO da cabeça não apresentou nenhuma diferença significativa entre os dois grupos. Portanto, a prática de voleibol apresenta-se como importante esporte para a aquisição de massa óssea durante o final da adolescência e a DMO da cabeça como um possível padrão interno de controle da amostra.Palavras-chave: massa óssea, esporte, adolescência. ABSTRACTSeveral studies have shown that high impact weight-bearing sports are more beneficial than non-weightbearing ones. Despite being considered a high impact sport, few studies relate it with bone mineral density (BMD) development. Therefore, the aim of this study was to compare BMD between female volleyball players and 60 volunteer girls aged 13-17-y who participated in this study. They were classified in Volleyball Group (VG) -who were practicing volleyball -and Control Group (CG). Body mass, height, calcium uptake, total body, head, femoral neck and Wards Triangle BMD and sexual maturation were measured. Differences between groups were analyzed by t-test for independent samples (p < 0.05). The VG was statistically higher in total body (1.174 ± 0.065), femoral neck (1.164 ± 0.096) and Wards triangle (1.111 ± 0.138) BMD than CG (total body: 1.083 ± 0.082; femoral neck: 0.998 ± 0.142; Wards triangle: 0.944 ± 0.178); however, head BMD was not different between groups. Therefore, volleyball practice is an important sport to promote bone mass acquisition during adolescence and head BMD became a possible internal standard for selection of bias control. Os fatores genéticos são os principais responsáveis pela variação da massa óssea, pois estudos realizados com pares de pais e filhos (2) e com gêmeos (5) demonstraram que a hereditariedade é responsável por variação de 60 a 80% na determinação da massa óssea. A...

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Section: Resultsunclassified

Section: Introductionunclassified

Influência do voleibol na densidade mineral ossea de adolescentes do sexo feminino

Mesquita

Fonseca

França

2008

Rev Bras Med Esporte

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“…3 High skeletal impact loading training has been suggested to optimize bone health, specifically at the pelvis and proximal femur. 3,10,19,33,34 Walking alone had a significant positive effect on BMD for the lumbar spine, but not on the femur or calcaneus. 25 The higher impact level of activity may be necessary for promotion of bone mineral accretion and minimizing bone mineral losses following ACL reconstruction.…”

Section: Discussionmentioning

confidence: 99%

“…In addition, it has been demonstrated that external loading beyond that provided by normal weight-bearing promotes BMC accretion. 10 There is a positive influence of exercise on bone status as measured by ultrasound and DEXA, specifically at the femoral neck. 19 BMD is specifically influenced by the type of mechanical loading.…”

Section: Discussionmentioning

confidence: 99%

Interlimb Differences in Lower Extremity Bone Mineral Density Following Anterior Cruciate Ligament Reconstruction

Reiman

Rogers²,

Manske³

2006

J Orthop Sports Phys Ther

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Study Design: Prospective descriptive study. Objective: To determine the extent of bone mineral density (BMD) interlimb differences at several hip locations in the involved versus noninvolved lower extremity following anterior cruciate ligament (ACL) surgery. Background: Disuse following ACL reconstruction can be extensive. This disuse not only affects the soft tissue, but may also affect the skeletal structure. The extent of this disuse specific to the proximal femur has not been previously determined. Methods and Measures: BMD was assessed in 15 subjects, 17 to 51 years old, who were between 6 and 32 months post-ACL reconstruction surgery. Bone mineral content (BMC) and BMD of the femoral neck, trochanteric region, intertrochanteric region, and entire hip were measured as a primary emphasis of this study. BMD and BMC of the entire lower extremities were also measured bilaterally. Results: BMD was significantly less in the involved lower extremity compared to noninvolved lower extremity at several hip sites: 6.6% less (PϽ.001) for the trochanteric region, 4.0% less (PϽ.001) for the entire hip, and 3.4% less (P = .004) for the intertrochanteric region. No significant differences were noted comparing the entire lower extremities for either BMD (0.9%, P = .48) or BMC (3.7%, P = .09). Conclusion: BMD differences at the hip are significant in patient's postoperative ACL reconstruction, especially in the trochanteric region.

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“…However, the type of exercise appears to be an important variable influencing the osteogenic adaptive response (8). The bone development associated with various sporting activities such as swimming, a nonweight-bearing sport, show controversial results that require greater attention.…”

Section: Introductionmentioning

confidence: 99%

The effect of swimming and type of stroke on bone metabolism in competitiveadolescent swimmers: a pilot study

Akgül¹,

Kanbur²,

Cinemre³

et al. 2015

Turk J Med Sci

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Background/aim: Physical activity plays a key role in increasing and preserving bone mineral density (BMD). Effects on bone development associated with various nonweight-bearing sporting activities, such as swimming, are controversial. Different strokes used in swimming may also present as another factor. The aim of this study was to evaluate the effect of swimming and type of stroke on BMD in competitive adolescent athletes.Materials and methods: Seventy-nine swimmers between the ages of 10 and 21 years participated in this study. BMD was measured with dual-energy X-ray absorptiometry at the lumbar vertebrae and left proximal femur. Daily calorie intake and calcium consumption, and measurements of calcium, phosphorus, alkaline phosphates, 25-hydroxyvitamin D (25(OH) D), and osteocalcin were evaluated.Results: Preliminary results revealed that the type of stroke had no effect on BMD (P = 0.79). Additionally competitive swimmers did not have augmented bone mineral accretion, and in 13.9% of athletes low BMD was confirmed. Sixty percent of swimmers had either deficient or insufficient 25(OH) D levels and a low mean calorie (P = 0.542) and calcium (P = 0.038) intake was observed. Conclusion:This was the first study to evaluate the effect of swimming stroke on BMD. Although no effect was statistically shown, further studies with a larger series may determine this effect.

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A comparison of bone mineral densities among female athletes in impact loading and active loading sports

Cited by 288 publications

References 23 publications

Influência do voleibol na densidade mineral ossea de adolescentes do sexo feminino

Influência do voleibol na densidade mineral ossea de adolescentes do sexo feminino

Interlimb Differences in Lower Extremity Bone Mineral Density Following Anterior Cruciate Ligament Reconstruction

The effect of swimming and type of stroke on bone metabolism in competitiveadolescent swimmers: a pilot study

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