Felt good going in, but wrenched the low back a bit, so I changed the routine up.
Squat: 3 warms, 265/6 285/6 (back spasm)
Leg Curl: 2 warms, 50/6,6,5
Leg Press: 2 warms, 495/9,10 360/15
Step lunge ss
with leg ext: 2x
Calf work: 1 warm, singles 25/11,10,9 then bw to failure
Low ab work: 4 sets