This is a description of the work done as part of GSoC 2017 on the project "Improving the Accessibility of MuseScore for Visually Impaired Musicians".
The following commits have been merged into the MuseScore master branch and are available in the nightly builds:
Pull Request #3206 Accessibility: nextElement and prevElement
Commit: accessibility: nextElement and prevElement
This implements two score navigation commands, to select the next and previous score element respectively. The commands traverse elements like articulation, note attached