Effects of TheraBand and Theratube Eccentric Exercises on Quadriceps Muscle Strength and Muscle Mass in Young Adults

Table 1

Progression of TheraBand or theratubes.

TheraBand® band or tube color	Increase from preceding color at 100% elongation	Thickness	Resistance at 100% elongation (kg)
Tan	—	Very thin	1.09
Yellow	25%	Thin	1.36
Red	25%	Medium	1.68
Green	25%	Heavy	2.09
Blue	25%	Extra heavy	2.63
Black	25%	Special heavy	3.31
Silver	40%	Super heavy	4.63
Gold	40%	Advanced heavy	6.44