float originX = 100, originY = 100;
Matrix4 proj = batch.getProjectionMatrix();
proj.translate(originX, originY, 0);
proj.scale(1.2f, 1.2f, 1);
proj.translate(-originX, -originY, 0);
batch.begin();
renderer.draw(batch, skeleton); // Draw the skeleton images.
batch.end();
debugRenderer.getShapeRenderer().setProjectionMatrix(proj);
debugRenderer.draw(skeleton); // Draw debug lines.
proj.translate(originX, originY, 0);
proj.scale(1 / 1.2f, 1 / 1.2f, 1);
proj.translate(-originX, -originY, 0);
Drawing debug is optional of course.