Maxalding
Maxalding is an exercise system of muscle control using a form of isometrics. Books and pamphlets teaching the system were first published in 1909 and continued until Maxalding ceased to trade in the late 1970s.
Maxalding is an exercise system of muscle control using a form of isometrics. Books and pamphlets teaching the system were first published in 1909 and continued until Maxalding ceased to trade in the late 1970s.