Journal article
Changes in hip and ankle range of motion and hip muscle strength in 8-11 year old novice female ballet dancers and controls: a 12 month follow up study
KL Bennell, KM Khan, BL Matthews, C Singleton
BRITISH JOURNAL OF SPORTS MEDICINE | BRITISH MED JOURNAL PUBL GROUP | Published : 2001
DOI: 10.1136/bjsm.35.1.54