The ornamental design for a chiropracticsupport, as shown and described.
FIG. 1 is an upper perspective view of a chiropractic support.
FIG. 2 is a lower perspective view of the chiropractic support of FIG. 1.
FIG. 3 is a top view of the chiropractic support of FIG. 1.
FIG. 4 is a bottom view of the chiropractic support of FIG. 1.
FIG. 5 is a left side view of the chiropractic support of FIG. 1, of which the right side view is a mirror image.
FIG. 6 is an enlarged front view of the chiropractic support of FIG. 1; and,
FIG. 7 is an enlarged back view of the chiropractic support of FIG. 1.
The broken lines and the areas surrounded by broken lines and solid lines in the drawings depict portions of the chiropractic support that form no part of the claimed design.