- Special Heavy Black Bands are the sixth of eight levels of resistance and great for rehabilitation and higher level resistance, they offer 7.3 lbs. resistance and 25% increase from preceding color at 100% elongation and 10.2 lbs. at 200%
Color:Black - Special Heavy TheraBand Professional Latex Resistance Bands areavailable in 8 color-coded levels of Progressive Resistance. Proper use ofthese systems for resistive exercise provides both positive and negative forceon the muscles, improving strength, range of motion and flexibility. Color-coded progressive resistance gives at-a-glance documentation of progress fromone level to the next and allows the user to progress as they get stronger.