HI MATE IM NO EXPERT BUT I KNOW LADS FROM THE GYM WITH SIMILAR INJURYS THEY TAKE DECCA AN GROWTH FOR SUCH INJURYS NOT THAT IM ADVOCATING SUCH STUFF FOR YOU DOG BUT I HEAR BEEF COLLAGEN IS GOOD FOR TENDON INJURYS TO HELP HEAL IT....MINE GET A WHOLE CARCASS DIET LOADSA BONES AN RARELY SUFFER TENDON INJURYS HOPE IVE HELPED YOU IN SOME WAY TRY SOME BEEF COLLAGEN MARRA ALL THE BEST HOPE IT GETS WELL SOON :thumbs: