Fig. 2From: Virtual reality-based treatment for regaining upper extremity function induces cortex grey matter changes in persons with acquired brain injuryMotor achievements: a grip strengths before and after intervention. In parts b–d, estimated marginal means of gains are presented for b grip strengths, c shoulder abduction, and d shoulder flexion. In graphs b, c, and d the covariates appearing in the model are evaluated at the following values: therapy hours = 152.2466Back to article page