Measurement of the extreme ankle range of motion required by female ballet dancers
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Issue Date
2010
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Show full item recordAbstract
Female ballet dancers require extreme ankle motion, especially plantar flexion, but research about measuring such motion is lacking. The purposes of this study were to determine in a sample of ballet dancers whether non–weight-bearing ankle range of motion is significantly different from the weight-bearing equivalent and whether inclinometric plantar flexion measurement is a suitable substitute for standard plantar flexion goniometry. Fifteen female ballet dancers (5 university, 5 vocational, and 5 professional dancers; age 21 ± 3.0 years) volunteered. Subjects received 5 assessments on 1 ankle: non–weightbearing goniometry dorsiflexion (NDF) and plantar flexion (NPF), weightbearing goniometry in the ballet positions demi-plié (WDF) and en pointe (WPF), and non–weight-bearing plantar flexion inclinometry (IPF). Mean NDF was significantly lower than WDF (17° ± 1.3° vs 30° ± 1.8°, P < .001). NPF (77° ± 2.5°) was significantly lower than both WPF (83° ± 2.2°, P = .01) and IPF (89° ± 1.6°, P < .001), and WPF was significantly lower than IPF (P = .013). Dorsiflexion tended to decrease and plantar flexion tended to increase with increasing ballet proficiency. The authors conclude that assessment of extreme ankle motion in female ballet dancers is challenging, and goniometry and inclinometry appear to measure plantar flexion differently.Citation
Foot & Ankle Specialist, OnlineFirst, published on June 25, 2010Publisher
SageJournal
Foot & Ankle SpecialistAdditional Links
http://fas.sagepub.com/cgi/doi/10.1177/1938640010374981Type
Journal articleLanguage
enDescription
epub ahead of printISSN
1938-64001938-7636
ae974a485f413a2113503eed53cd6c53
10.1177/1938640010374981
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