Foot & Ankle I Please enable JavaScript in your browser to complete this form.Please enable JavaScript in your browser to complete this form.Question 1)Figures A, B, and C are the MR images of an abnormal tendon that is most important during which stage of the gait cycle?Foot & Ankle Question 1) Figure Select the Correct AnswerToe-offTerminal swingHeel strikeMidstanceTerminal stanceCorrect Answer: Terminal stance Explanation: The MR images demonstrate a complete rupture of the posterior tibial tendon. The posterior tibial muscle acts during the terminal stance to initiate lift-off of the heel with inversion of the hindfoot, which locks the transverse tarsal joints. References: Source: Orthobullets/Foot & Ankle/ Gait Cycle Reference: Source: 2015 AAOS OITE Kaye RA, Jahss MH. Tibialis posterior: a review of anatomy and biomechanics in relation to support of the medial longitudinal arch. Foot Ankle. 1991 Feb;11(4):244-7. Review. PubMed PMID: 1855713. Semple R, Murley GS, Woodburn J, Turner DE. Tibialis posterior in health and disease: a review of structure and function with specific reference to electromyographic studies. J Foot Ankle Res. 2009 Aug 19;2:24. doi: 10.1186/1757-1146-2-24. PMID: 19691828; PMCID: PMC2739849. Wrong Answer: Please try again! Submit Post navigation Previous QuestionFoot & Ankle IINext QuestionTrauma I