Bottom line first
- You probably have a small joint or soft‑tissue restriction in the proximal forearm (most often the radial‑head / proximal radio‑ulnar joint).
- A quick twist‑and‑pull (“long‑axis distraction with coupled supination”) frees that restriction, relaxes the surrounding muscles, and your symptoms disappear for weeks.
- Re‑creating that maneuver at home is possible only if the person doing it has hands‑on training. Otherwise you risk sprains, nerve irritation, or even a dislocation.
- The safest path: have a licensed physical therapist, osteopath, or chiropractor teach both of you—in one short visit—how to do a gentle, graded version. Meanwhile you can use the self‑care drills below to keep the joint mobile.