P 148 - Synergy complexity during maximal voluntary isometric contractions

Non-negative matrix factorization (NNMF) has been used in dynamic and static tasks to identify muscle synergies [1,2]. From NNMF, complexity of motor control of a given task can be assessed by calculating total variance accounted for by one synergy (tVAF1). tVAF1 of gait was found to be increased in children with cerebral palsy (CP) when compared to typical developing (TD) children [3]. However, we expect that tVAF1 of maximal voluntary isometric contractions (MVICs) will be higher in TD children, since MVIC outcomes depend on selectively activating one muscle group.
Source: Gait and Posture - Category: Orthopaedics Authors: Source Type: research