 [ Symptoms ] my knees hurt after exercising i can hear there are small sounds coming from my knee and they feel wobbly [ Disease ] first things first pain and cracking sounds in knee with rotation and knee bending are signs of meniscal injury the time u had the depression you quit basketball you came back thinking you had the same fitness and started hurting your knee honestly i recommend doing a knee mri to check me meniscus condition then you should do physical therapy including streching of posterior knee compartement and strengthening vastas medialis  last 5 15 degree extention  you problem is mainly knee failure to do lock mechanism correctly good luck