Methods

Twelve subjects whose ages i-anged fi-om fifteen to twenty-five yeats pat-tici-pated. None had aisy gioss abisoi-malities which could pi-oduce aix altet-ed walking pattet-it. 1’acls foot was cai’efully examined and the clsaractei-istics of the at-eli were recoi’ded. The i-ight foot was studied in all cases.‘I’hie skiii over the site fot elect i-ode placement was cleaned and a one-centimeter subcutaneous lidocaine wheal was pi-oduced through which the stet-ilized electrodes were placed(1” ig. 1). F; lecti-odes coissisted of 36-gauge, enamel-coated, stainless-steel wire. The electi-ode was pi’epared by cleaning its tip of enamel, sti-inging it tlii-oiigls a 26-gauge

*() nn’of tIl (’four\ernon P.‘Fltompsun Resident-framnitsg Program awarul-wintnimnig l) aI) ers. IeL (l at the Annual Meeting of the Western() rthopedie Assouiatioti, Seattlu, Washington, September 25, ltlG3. t This Sttl (IV was supported b\eterans Adniinist rations Contra (-t\-l ($) oM-203). Biomeelsanies Lahoratorv, School of Medi (-ine, Iniversity of California, Sari Franu-iw-o 22,(‘alifornia.