The lecture covers various knee issues such as runner's knee, iliotibial tract syndrome, Baker's cyst, and exercises for healthy and elderly knees. It includes sections on diagnosing pain, exercises for knee extension, balance, and stability, as well as discussions on cartilage problems, injections, and the impact of weight. Key timestamps include 0:00 Intro, 0:46 speaker introduction, 1:41 overview, 3:15 knee pain assessment, 8:49 lower back pain, 11:01 viewer case, 13:04 nerve root compression, 16:22 exercises, 19:35 scoliosis, 20:28 additional exercise, 22:57 joint movement limitation, 25:42 importance of knee extension, 30:43 prevalence of extension limitation, 33:48 viewer case, 38:05 exercise, 48:19 flexion limitation, 49:25 static stretch or self-massage, 50:40 exercise program, 51:16 patellar mobilization, 53:54 hip MFR, 55:07 knee extension exercise, 57:07 other knee issues, 1:02:27 instability test, 1:07:05 first control exercise, 1:19:35 second control exercise, 1:21:21 third control exercise, 1:23:18 balance exercises, 1:29:39 scoliosis and pelvic tilt, 1:30:48 stretching for back, 1:32:47 Shlaeter disease, 1:40:05 chondroprotectors, 1:42:25 cartilage and meniscus problems, 1:50:00 Baker's cyst, 1:53:04 hyaluronic acid injections, 1:56:46 plasma injections, 1:59:02 cartilage injury, 2:01:21 runner's knee, 2:05:26 jumper's knee, 2:08:25 viewer case, 2:12:35 joint crepitus, 2:18:11 excess joint fluid, 2:20:13 glute exercises, 2:23:01 knee pain after pull-up, 2:25:31 pain behind patella, 2:27:37 pain behind knee, 2:31:41 knee lifespan, 2:32:43 weekend abuse, 2:36:42 knee wear during long runs, 2:37:49 weight impact, 2:39:11 orthotics use, 2:40:49 varus and valgus alignment, 2:42:43 taping for stabilization, 2:43:40 valgus knees, 2:46:01 proper walking and running, 2:51:10 trekking poles.