Legs with Oscar

Leg press (half foam roller behind back)

80kg

Bench squat 

60kg

Smith machine sumo squat

40kg

Farmer's walk (stairs)

24kg KB

Deadlift

40kg

Note: No pain when I push hips further out. Now using double overhand grip. 

Another leg session with lower back issues. With adequate warm up I think I can deadlift heavy.