TY - RPRT TI - A three-directional accelerometer for analyzing body movements. AU - G CAVAGNA AU - F SAIBENE AU - R MARGARIA PY - 1961 DO - 10.1152/jappl.1961.16.1.191 UR - https://pubmed.ncbi.nlm.nih.gov/13691691/ ID - 13691691 ER -