If you're asking if that's what he did, then yes. He was fascinated with the body in motion, and wanted to experiment with Muybridge to make chronophotographs of men jumping and running.
A membranophone, it's sort of in the name. A membranophone is any musical instrument that produces sound with a vibrating stretched membrane. An idiophone is somewhat similar and produces sound by vibrating when hit but does not use strings or membranes (the instrument as a whole vibrates).
