A Review of the Function of the Quadratus Plantae

Thomas P. Lyman, B.S.
2009 The Foot and Ankle Online Journal  
The Foot and Ankle Online Journal 2 (11): 5 There has been very little scientific evidence of any well defined function of the quadrates plantae (QP). It has been the focal point of multiple theories. This paper discusses four of those theories: the QP as a counter to the oblique force of the flexor digitorum longus (FDL), QP as a pronator of the foot, the QP as a plantarflexor of the lesser digits and lastly the QP as a stabilizer of the lumbrical muscles. No single theory has received
more » ... s support. The following is a presentation of the support and opposition which has surfaced for each theory.
doi:10.3827/faoj.2009.0211.0005 fatcat:cdf6epdtpveifmjn66ih6i7sdm