The French forward has only played once since being injured in the memorable 2-1 derby triumph over Manchester City in mid-January.
He returned as a substitute in the second leg of the Carabao Cup semi-final with Nottingham Forest on 1 February, scoring the opening goal in a 2-0 victory on the night, but has been sidelined again since.
Ten Hag told us before the session, which was filmed by club and external media, that Martial is still unlikely to be involved against Real Betis.
Thursday's round-of-16 tie with the Spanish side in the Europa League looks to have probably come too soon for our no.