Assaying (1) Surveys (1) Fiction (1) Tools (1) Signals and signaling (1) Signal processing (1) Physical fitness (1) Motion (1) Literature (1) Leg (1) Knee (1) Electromyography (1) Angles (Geometry) (1) Use studies (1) Use studies (1) Vibration (1) Analysis (1) Muscles (1) Influence (1) Spectra (1) Standardization (1) Standards (1) Exercise (1) Condición física (1) Proceso de señales (1) Encuestas (1) Rodillas (1) Electromiografía (1) Señales y señalización (1) Espectroscopia (1)