Monitor arm

FIG. 1 is a front perspective view of a support arm showing the new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a rear elevation view thereof;

FIG. 8 is a front elevation view thereof; and,

FIG. 9 is a rear perspective view of the monitor arm shown with environment.

The broken lines depict portions of the monitor arm that form no part of the claimed design.