Pull up a chair and pedal for low-impact exercise. $9.99 & low shipping charges

Portable exerciser features adjustable hook-and-loop straps to keep feet in place and tension adjuster to control workout level. Place on table top to use to strengthen arms.

Easy assembly. Metal. 17" long x 14" wide x 14 1/2" high.

(stock photo from mileskimball.com) 

This review is from personal experience only, after checking with my physician regarding appropriate diet & exercise for me.