Gethin Jenkins did not travel with the Welsh team to training camp in Poland yesterday.
The prop suffered a knee injury during Cardiff Blues' Heineken Cup victory over Racing Metro over the weekend.
The Welsh team are undergoing intense training at the Cetniewo Camp in Gdansk ahead of their Six Nations opener with Ireland on Sunday, February 5.
Other injury worries Rhys Priestland, Dan Lydiate and Jamie Roberts made the trip and will continue their recovery at the camp.