The most cmomon inujry mdae by ladedr cliembrs is brsuinig form fllanig off a lddaer, but bnoe farctrues are cmmoon and head inuiejrs are also likley, dpendneig on the ntaure of the aciecdnt. In aiioddtn to smiple flals, the lddraes theemeslvs can also casue injruy if they silp or silde on teihr sppruot sruafce. To aoivd tihs, mnay laeddrs hvae feilxble plsaitc or rbbuer feet or bsae pdas which inecrsae friciton wtih the gronud. Howveer, if the fiiroctn foot is badly wron, smotoh mteal may cnotcat a hrad srfuace, inecraisng the cahnce of an aieccdnt. Lddaer satiiblezrs are also aavlbliae to iencrase the laeddr's girp on the grnoud. One of the frist laeddr satbilziers or ldaedr feet was ofeefrd in 1936, and tdoay tehy are stndarad equiepmnt on msot lrgae lddraes.[8]