1.  Alter M. Science of Flexibility. Sheridan books 2004 (third edition); page 89
  2.  Biernacki JL, Stracciolini A, Fraser J, Micheli LJ, Sugimoto D. Risk factors for lower-extremity injuries in female ballet dancers: a systematic review. Clinical journal of sport medicine. 2021 Mar 1;31(2):e64-79.
  3. ↑ Jump up to:3.0 3.1 DeWolf A, McPherson A, Besong K, Hiller C, Docherty C. Quantitative measures utilized in determining pointe readiness in young ballet dancers. Journal of Dance Medicine & Science. 2018 Dec 1;22(4):209-17.
  4. ↑ Jump up to:4.0 4.1 4.2 4.3 4.4 Green-Smerdon M. Biomechanics of the Dancer’s Ankle and Foot Course. Plus , 2022.
  5.  Altmann C, Roberts J, Scharfbillig R, Jones S. Readiness for en pointe work in young ballet dancers are there proven screening tools and training protocols for a population at increased risk of injury?. Journal of Dance Medicine & Science. 2019 Mar 15;23(1):40-5.
  6. ↑ Jump up to:6.0 6.1 Hewitt S, Mangum M, Tyo B, Nicks C. Fitness testing to determine pointe readiness in ballet dancers. Journal of Dance Medicine & Science. 2016 Dec 15;20(4):162-7.
  7.  Batalden L. Pointe-Readiness Screening and Exercise for the Young Studio Dancer. Orthopaedic Physical Therapy Practice. 2020;32(1):48-50.
  8.  Bonham K. The Prevalence and Efficacy of Cross-training in a Professional Ballet Environment: A Literature Review. (2021). Senior Theses. 397
  9.  Richardson M, Liederbach M, Sandow E. Functional criteria for assessing pointe-readiness. Journal of Dance Medicine & Science. 2010 Sep 1;14(3):82-8.
  10.  Bronner S, Lassey I, Lesar JR, Shaver ZG, Turner C. Intra-and inter-rater reliability of a ballet-based dance technique screening instrument. Medical Problems of Performing Artists. 2020 Mar 1;35(1):28-34.
  11.  Khan K, Brown J, Way S, Vass N, Crichton K, Alexander R, Baxter A, Butler M, Wark J. Overuse injuries in classical ballet. Sports Medicine. 1995 May;19(5):341-57.