By the use of Plug-ins, Bluetooth smart watches, and wristbands offering fitness information transferable with Bluetooth to the good cellphone.
http://publ.icwordtiredplan.e.s.j.a.d.e.d.i.m.p.u@e.Xped.it.io.N.eg.d.g@burton.Rene@cgi.www5c.biglobe.ne.jp/~kyuta/bbs/jawanote.cgi//node/43/track