Skill acquisition of manual wheelchair propulsion: initial motor learning Riemer JK VEGTER, Claudine J LAMOTH, Dirkjan HEJ VEEGER, Sonja de GROOT and Lucas HV van der WOUDE BIO Web of Conferences, 1 (2011) 00093 Published online: 15 December 2011 DOI: 10.1051/bioconf/20110100093