What are the best exercises or stretches to get more flexibility in hamstrings a

Question:

What are the best exercises or stretches to get more flexibility in hamstrings and upper quads?

I asked this already, but I said hip flexors and I think I meant quads. I'm not an anatomy whiz but I'll bet someone out there is.

Additional Details

6 days ago
This is to do the splits I'm about 2 inches away from front splits and a vertical foot from side splits.

Best Answer - Chosen by Asker: 6 days ago
This is to do the splits I'm about 2 inches away from front splits and a vertical foot from side splits.