Degenerative Changes in the First Metatarso-Phalangeal Joint of Ballet Dancers

Ambré, TorbjÖRn; Nilsson, Bo

doi:10.3109/17453677809005772

Cited by 30 publications

(2 citation statements)

References 2 publications

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“…(1975). In the first metatarsophalangeal joint of ballet dancers, Ambre and Nilsson (1978), contrary to the usual opinion, found no evidence of precocious degenerative changes.…”

contrasting

confidence: 54%

Review of the Main Epidemiologic-Etiologic Evidence that Implies Mechanical Forces as Factors in Osteoarthritis

Peyron

1986

Engineering in Medicine

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“…(1975). In the first metatarsophalangeal joint of ballet dancers, Ambre and Nilsson (1978), contrary to the usual opinion, found no evidence of precocious degenerative changes.…”

contrasting

confidence: 54%

Review of the Main Epidemiologic-Etiologic Evidence that Implies Mechanical Forces as Factors in Osteoarthritis

Peyron

1986

Engineering in Medicine

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“…13,30 Moreover, it is necessary to take into account the high prevalence of forefoot pathology among dancers, which is often related to postural overload and repetitive gesture. 3,31,32 To prevent these lesions, dancers require good muscular tone and an efficient intrinsic foot musculature, which maintains the cohesion of forefoot and in static positions prevents defects such as hallus valgus and forefoot laxity. 15,18,29,33,34…”

Section: Discussionmentioning

confidence: 99%

Study of Muscle Activity during Relevé in First and Sixth Positions

Massó

Germán

Rey

et al. 2004

Journal of Dance Medicine & Science

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To assess differences in the muscular activation related to position when performing relevé, a kinetic and kinematic analysis was performed on 18 professional classical ballet dancers aged 14 to 32. The degree of plantar flexion and the involvement of the peroneus longus, soleus, gastrocnemius, and abductor hallucis muscles were analyzed. The results in sixth position (parallel) against external rotation of the hip or turnout and the correct first position against first position with foot pronation were compared. All comparisons were evaluated using the Wilcoxon test. When in relevé, the plantar flexion values were greater in sixth position than in first and also greater in the correct first position than in first with pronated feet. The medial gastrocnemius muscle had more electromyo-graphical activity when the relevé is done in first position. However, the abductor hallucis exerted greater activity when in the sixth position. The low activity of this muscle when in first position may reflect deficient stability of the internal arch and the first ray, thereby leading to increased risk of injury. With foot pronation, the peroneus longus and gastrocnemius muscles presented their highest activity levels.

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Long-Distance Running, Bone Density, and Osteoarthritis

Lane

Blöch

Jones

et al. 1986

JAMA

281

102

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Forty-one long-distance runners aged 50 to 72 years were compared with 41 matched community controls to examine associations of repetitive, long-term physical impact (running) with osteoarthritis and osteoporosis. Roentgenograms of hands, lateral lumbar spine, and knees were assessed without knowledge of running status. A computed tomographic scan of the first lumbar vertebra was performed to quantitate bone mineral content. Runners, both male and female, have approximately 40% more bone mineral than matched controls. Female runners, but not male runners, appear to have somewhat more sclerosis and spur formation in spine and weight-bearing knee x-ray films, but not in hand x-ray films. There were no differences between groups in joint space narrowing, crepitation, joint stability, or symptomatic osteoarthritis. Running is associated with increased bone mineral but not, in this cross-sectional study, with clinical osteoarthritis.

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Degenerative Changes in the First Metatarso-Phalangeal Joint of Ballet Dancers

Cited by 30 publications

References 2 publications

Review of the Main Epidemiologic-Etiologic Evidence that Implies Mechanical Forces as Factors in Osteoarthritis

Review of the Main Epidemiologic-Etiologic Evidence that Implies Mechanical Forces as Factors in Osteoarthritis

Study of Muscle Activity during Relevé in First and Sixth Positions

Long-Distance Running, Bone Density, and Osteoarthritis

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