'manipulative control'

Temat przeniesiony do archwium.
mam problem. tłumaczę tekst o muzykoterapii. jest tam zacytowany tekst ze strony http://www.harmonymusictherapyscotland.co.uk/music-therapy-faq--links.html :

Does Music Therapy teach Musical Skills?
Music therapy is not a substitute for music lessons. Clients will often acquire certain musical skills in the course of a music therapy programme, such as sensitivity to pitch, rhythmic control, awareness of form, manipulative control etc... These skills, whilst constituting an important part of the therapy programme, are likely to be secondary to pre-determined therapeutic objectives.

Jak mam rozumieć 'manipulative control' w tym kontekście? Co to oznacza? Nie rozumiem sensu.
Chodzi o manualną sprawność