Smaller babies can't sit properly nor touch the floor with entire feet. (followmum.com)
Place entire foot on the bench (working leg) and pushing through heels, «step up» until fully straight and squeezing the glutes; ensure you are keeping your core taut. (womenshealthandfitness.com.au)
Meanwhile, Matthew Maxwell writes: ``... This does mean that both of the Big Two are now officially putting pinkie toes, if not entire feet into the pool. (cbr.com)