Tens Unit Muscle Stimulator

FIG. 1 is a front and right side perspective view of an ornamental design for a TENS unit muscle stimulator showing our new design;

FIG. 2 is a rear and left side perspective view of the TENS unit muscle stimulator;

FIG. 3 is a front view of the TENS unit muscle stimulator;

FIG. 4 is a rear view of the TENS unit muscle stimulator;

FIG. 5 is a left side view of the TENS unit muscle stimulator;

FIG. 6 is a right side view of the TENS unit muscle stimulator;

FIG. 7 is a top view of the TENS unit muscle stimulator; and,

FIG. 8 is a bottom view of the TENS unit muscle stimulator.

The broken lines in the drawings depict portions of the TENS unit muscle stimulator that form no part of the claimed design.

The oblique shading lines show a transparent or semi-transparent surface, and not surface ornamentation.