I think his Vuelta showing was pure grit, determination and wanting to give something back to the team. I think those efforts took a lot out of him as I don't think his body was properly adjusted post-injury to those hard efforts and ultimately, it set his rehabilitation back a bit.
''Chris Froome says that "unexplainable pain” and problems with his right quad have hindered his comeback from his nasty crash in 2019.''
“I went to have some scans done straight after the Vuelta and we found that one of the screws was actually piercing through the bone and potentially causing a bit of a grating sensation on the muscle as I was cycling.”

Chris Froome says a surgical screw has caused him unexplainable pain on his cycling comeback - Eurosport
Chris Froome says that "unexplainable pain” and problems with his right quad have hindered his comeback from his nasty crash in 2019.
