12 Dec, 14:42
Prop Cian Healy is expected to miss the start of the 2014 RBS 6 Nations after undergoing surgery on his injured ankle on Wednesday.
Humphries has been hampered by an ankle injury but he is currently responding to treatment and is set to resume full training next week.
The squad had a light workout at the University of Limerick this morning and will have this afternoon off before completing their 4-day session tomorrow morning.
The 26 strong party to tour New Zealand will be announced on Thursday by coach Eddie O'Sullivan.