. A manual of therapeutic exercise and massage, designed for the use of physicians, students and masseurs. Fig. 14 —Active flexion and passive extension of knee. Fig. 15.—Active extension and passive flexion of knee. frequently than any other system. Zanders apparatus,which are more than seventy in number, are divided into EXERCISES WITH ROPES AND PULLEYS 53 those for active resistive exercise, for passive and for active-passive exercise, for certain massage manipulations, such asfriction, hacking and vibration, and a number of specialapparatus for the treatment of lateral curvature. The appar


. A manual of therapeutic exercise and massage, designed for the use of physicians, students and masseurs. Fig. 14 —Active flexion and passive extension of knee. Fig. 15.—Active extension and passive flexion of knee. frequently than any other system. Zanders apparatus,which are more than seventy in number, are divided into EXERCISES WITH ROPES AND PULLEYS 53 those for active resistive exercise, for passive and for active-passive exercise, for certain massage manipulations, such asfriction, hacking and vibration, and a number of specialapparatus for the treatment of lateral curvature. The apparatus for active exercise are constructed afterthe principle of the lever; the weight can be changed froma very light, almost balancing, to a very heavy one. Theadvantage of using the lever is, according to Zander, that themuscle does not pull with equal force, but has the optimum O


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Keywords: ., book, bookcentury1900, bookdecade1910, booksubjectexercisetherapy