The doctor explained the importance of supination in the movement of the forearm.
Доктор объяснил важность супинации в движении предплечья.
Definitionen
A position of lying on one's back, face upward.
The patient was placed in a supine position for the examination.
(Grammar) A Latin verbal noun corresponding to an infinitive, occurring chiefly in the accusative (-um) and ablative (-u) cases to express purpose or specification.
In the phrase 'mirabile dictu', 'dictu' is a Latin supine.