title: The response of the lower extremity to impact forces. I. design of an economical low frequency recording system for physiologic waveforms.
abstract: An economical systems for the recording of low frequency physiologic waveforms on magnetic tape has been designed. This recording system has accurately reproduced human limb impact response data in the range of DC-350 Hertz.
mesh_terms: D001696:Biomechanical Phenomena; D006801:Humans; D007866:Leg / Q000502:physiology*; D009132:Muscles / Q000502:physiology*; D009983:Orthopedic Equipment; D013637:Tape Recording / Q000379:methods