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Essentially, the way I use it is if itâs a driving movement, ipsilateral produces the greatest power production and stability, meaning the right hand has the right leg back. Contralateral work provides the greatest reach potential for pulling, which means the right hand has the left leg forward or standing on. Funny enough, they both wind up being kind of the same position, which makes it that much easier.
The interphalangeal articulations of the hand are the hinge joints between the phalanges of the hand (i.e. the finger bones). There are two sets (except in the thumb):  1 proximal interphalangeal joints (PIJ or PIP), those between the first (also called proximal) and second (intermediate) phalanges.  2 distal interphalangeal joints (DIJ or DIP), those between the second and third (distal) phalanges.