Its position relative to the other structures in the wrist changes with forearm pronation and supination. As such, it must be mobile yet stable. The ECU tendon relies on specific stabilising ...
[6] Observing a weak arm drifting downward as a whole rather than in a pronation movement [6,7] has thus been seen as a functional 'positive sign' but its clinical value has never been formally ...
Stuart [9] reported that the superficial head of the PQ muscle is the prime mover in forearm pronation and the deep head is a dynamic stabilizer of the distal radioulnar joint in a study of ...