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- W2955368325 abstract "Ballet dancers wear pointe shoes. As these pointe shoes gain more wear, the shoes may lose structural integrity, potentially altering the normal biomechanics of dancers while performing ballet movements. These alterations may negatively affect the ballet dancer, possibly resulting in harmful compensations and overall decreasing dancers’ performance and increasing dancers’ injury risks. Even so, little research exists examining pointe shoes. PURPOSE: To compare lower body biomechanics and muscle activity between “new” and “dead” pointe shoes in professional female ballet dancers. METHODS: Nine professional female ballet dancers (age: 22±2 yrs; height: 163±6 cm; weight: 51±7 kg), with at least 10 years of pointe shoe training and no limiting pain or injuries, performed three complete relevé and arabesques in “New” (3-36 training hours) pointe shoes and “Dead” (108-144 training hours) pointe shoes. Data were collected using force plate and 3D cameras. Separate ANOVAs compared (1) sway area during quiet stance, (2) peak net ankle joint moments, and (3) the average root mean square (RMS) muscle activity (%MVC) of the gastrocnemius and the tibialis anterior muscles between the shoe conditions. RESULTS: Dancers showed significantly higher sway area in the “dead” pointe shoes during both relevé (146±115 mm2 vs. 94±58 mm2, p<0.05) and arabesque (191±159 mm2 vs. 112±48 mm2, p<0.05). Dancers showed significantly higher tibialis anterior activation during arabesque in “dead” pointe shoes (39±13% vs. 33±7%, p<0.05). No significant differences were observed in muscle activation for tibialis anterior during relevé and for gastrocnemius during relevé and arabesque (p>0.05). No significant differences were observed in plantarflexion and dorsiflexion moments during relevé and arabesque (p>0.05). CONCLUSION: Overall, we found that the biomechanical profiles presented by the dancers when wearing “dead” pointe shoes have been previously linked to increased risk for ankle instability, lateral ankle sprains, and earlier onset of muscle fatigue. Understanding how pointe shoe biomechanics changes over time may inform dancers, educator, researchers, clinicians, and pointe shoe designers how extended training in “dead” pointe shoes may potentially harm dancers’ health." @default.
- W2955368325 created "2019-07-12" @default.
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- W2955368325 date "2019-06-01" @default.
- W2955368325 modified "2023-09-30" @default.
- W2955368325 title "A Kinematic, Kinetic, and Electromyographic Comparison of “New” And “Dead” Pointe Shoes in Professional Ballet Dancers" @default.
- W2955368325 doi "https://doi.org/10.1249/01.mss.0000560673.15152.2b" @default.
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