Stand up straight!

Good advice. Getting explosive (and full) hip opening will help with a push press and a box jump. You are on your own for those pullups.

http://youtu.be/icNOo-o7fZQ

Upper back (as in Thoracic Spine)

Grab the double lax ball. Cross your arms and go side to side, and front and forth. Sexy,

http://youtu.be/CrKstFEd3oU

Body weight

More squat prep? What's the deal? Well, this is a good deeper dive to help open the hips which will help with so many movements from airsquats to snatches. So yes, this is a good one to do often.

http://www.youtube.com/watch?v=Lo59eqVip6I

Squats!

Part 1 of his 3 part series

http://youtu.be/g-mBaHx6Gn4

I need more overhead reach!!!

Are your arms stapled to your sides?

Well try this:

http://youtu.be/EOYgXEE5IGk

Couch Stretch Classic

Episode 2 - The introduction of the couch stretch to the world. If you feel tightness in the low back, move your knee further from the wall. You are not trying to win a gold in stretching and hurt yourself, you are trying to get a little more range of motion so that you can have some more explosive hip power for hang cleans.

Skip to 2:10 unless you want to watch him skateboard a little.