Help keeping left leg bent

[Brandon138]

http://youtu.be/15TsKMZoCe0 <--- Short clip with 1 of my swings then Adam Scotts

So I think I need to keep my left leg bent a little longer through the swing while still transferring my weight. You can see in the video that at the start of my downswing my leg straightens a bit causing a slight cast, zapping some power and creating some mishits. If you look at the Adam Scott swing you can see that his belt line doesn't really rise where as as it looks like the whole left side of my body rises a bit due to my straightening left leg.

Any thoughts or drills or tips would be cool. Thanks.

[mvmac]

Great drill/video to check out

[Brandon138]

Thanks for that vid^. Helpful. I had actually planned on putting something under my left foot similar to the video next time I want to the range. I know when I'm swinging best I can really feel the pressure in that left thigh, and when I'm not I don't feel as connected to the ground and I straighten it up sooner.

Also here is that same swing of mine again in full speed just for reference: http://youtu.be/9K-kE6I8Xos