"Most dancers will find the transition from level 2 to level 3 the most challenging of the transitions. The reason being, the torso was horizontal and now it’s vertical, to smooth this transition make sure to feel completely comfortable with level 2 before moving onto level 3. Although there is hand support provided by the wall, the barre or the chair, the engagement now includes the spinal muscles a lot more. The supporting..."

"Your body should form an L. From here, lift your arms, chest and
shoulders off the floor and extend your arms straight overhead, hold for 3
seconds, place your hands under your shoulders and press up a little bit higher..."

"...Now to move on from level 2 which is hands on the wall to level 3 which is legs on the wall also has two requirements. The strength requirement is to be able to come up higher each time on a 3 presses, and on the third one to be able to hold the position 8 to12 seconds at least 8 seconds and ideally closer to 12 seconds. The flexibility requirement is to be able to press off the wall and bring the chest at least few degrees up from the vertical, in other words your chest is not squared looking at the wall but slightly turned up even few degrees higher than the vertical..."