F Faceless New member Mar 19, 2009 #1 School experiment thing... They told me to open and close my hand in one minute... and they asked what muscle I will I need to use. Thanks in advance
School experiment thing... They told me to open and close my hand in one minute... and they asked what muscle I will I need to use. Thanks in advance
P peace♥happiness New member Mar 19, 2009 #2 you use the . . . . . . .isn't it the bicep contracts and the tricep returns to original length? or is it sometin else. . . . . . IDK
you use the . . . . . . .isn't it the bicep contracts and the tricep returns to original length? or is it sometin else. . . . . . IDK
