[header] How to help bad knees with yoga [title] Practice mountain pose to improve your alignment and get you warmed up. [step] This is perhaps the most basic standing pose in yoga, and will strengthen your thighs and knees. This pose is also good for people suffering from knee osteoarthritis. 
[substeps] Stand straight with your feet together on a yoga mat or exercise mat. Make sure your big toes are touching and your heels are slightly apart.