A
anganb
Guest
Martha Hughes [email protected] alt support diet sit ups are
great for your
leg muscles, but you should switch to crunches, which really work out
your stomach
muscles. With a sit-up, your legs do the hard work, so, your 75 sit-
ups (which
is still an amazing amount) have made your thigh muscles very
strong. ...
http://www.askstar.com.cn/health/index.htm
great for your
leg muscles, but you should switch to crunches, which really work out
your stomach
muscles. With a sit-up, your legs do the hard work, so, your 75 sit-
ups (which
is still an amazing amount) have made your thigh muscles very
strong. ...
http://www.askstar.com.cn/health/index.htm