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Method of measuring 'shearing' forces on the sole of the foot

1980; IOP Publishing; Volume: 1; Issue: 1 Linguagem: Inglês

10.1088/0143-0815/1/1/006

0143-0815

J.W. Tappin, Jennifer Pollard, E A Beckett,

Lower Extremity Biomechanics and Pathologies

A system is described which enables recordings from metatarsal heads and the toe to be made simultaneously while the subject is walking bare-foot, and with a variety of footware to test their effect in modifying and redistributing the shear forces. The system involves placing a centre-tapped magneto resistor in a bridge configuration, with a magnet placed centrally above it. By applying an elastic self-centring force to the magnet, the degree of movement is made proportional to the shearing force applied.