Sit-up exercise device

Description

FIG. 1 is a top perspective view of a sit-up exercise device, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a rear perspective view thereof; and,

FIG. 8 is an enlarged detail view of area 8 in FIG. 1.

The broken lines in the drawings illustrate the portions of the sit-up exercise device, which form no part of the claimed design.

The dash-dot-dash broken lines encircling the enlarged views are for annotative purposes only and form no part of the claim thereof.

Claims

The ornamental design for a sit-up exercise device, as shown and described.