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. Author manuscript; available in PMC: 2013 Jun 1.
Published in final edited form as: Best Pract Res Clin Rheumatol. 2012 Jun;26(3):345–368. doi: 10.1016/j.berh.2012.05.009

Figure 4.

Figure 4

Flexor Hallucis Longus tightness. First, the interphalangeal joint extended and dorsiflexion of the 1st metatarsophalangeal joint is measured. Next, the interphalangeal joint is flexed and dorsiflexion of the 1st metatarsophalangeal joint is measured. If the latter is greater than the former, tightness of the Flexor Hallucis Longus muscle may present. Dorsiflexion of the 1st metatarsophalangeal joint may also stretch the plantar fascia in which case pain is reported in the middle the heel (Windlass test).