Foot & Ankle III Please enable JavaScript in your browser to complete this form.Please enable JavaScript in your browser to complete this form.Question 3)Figures 31a through 31c are the MR images of an abnormal tendon that is most important during which stage of the gait cycle?Foot & Ankle Question 3) 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: 2015 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 QuestionHand IIINext QuestionFoot & Ankle II
