Comments on Harkness‐Armstrong et al. (2021) 'In vivo operating lengths of the gastrocnemius muscle during gait in children who idiopathically toe‐walk'. Issue 12 (9th November 2022) - Veerkamp, Kirsten; van der Krogt, Marjolein M.; Waterval, Niels F. J.; Geijtenbeek, Thomas; Walsh, Henry P. J.; Harlaar, Jaap; Buizer, Annemieke I.; Lloyd, David G.; Carty, Christopher P.