Watch B.3.3 To Tuck or Not to Tuck?
Covered in 3.3:
-Location of coccyx (tailbone)
-Why the cue “tuck your tailbone” is not appropriate for everyone
-“Booty poppers” and “pelvic thrusters”
Covered in 3.4:
-The location of the psoas
-The key actions of the psoas