An upper-arm computer pointing apparatus, comprising: at least one orientation measurer, deployable on at least one area of an upper arm of a user, configured to measure orientation of the upper arm, at least one pressure meter, deployable on at least one area of the upper arm, configured to measure pressure applied by muscle of the upper arm, a computer processor, associated with the orientation measurer and pressure meter, configured to derive control data from the measured orientation and pressure, and a data transmitter, associated with the computer processor, configured to transmit the control data to a computing device.
