Spring load: 3y
Time: 1 min
Machine Set Up: On carriage, facing back, black handles crossed so that straps make an "x" then placed in hands

Variations:
Move knees closer to line 1
4y
Small pulses of handles back
Hold

Modifications:
Move knees closer to line 3
Sit seat on heels, especially if felt in lower back
Hold black foot straps instead of black handles
2y