Question: what is a leg day workout?
Answer: Barbell Squat. (4 sets of 6-10 reps, lighten the load after the first 2 sets) ... 
Leg Press. (4 sets of 8-10 reps) ... 
Dumbbell Walking Lunge. (3 sets of 10-14 steps each side) ... 
Leg Extensions. (3 sets, 8-12 reps) ... 
Romanian Deadlift. (3 sets, 8-12 reps) ... 
Lying Leg Curls. ... 
Standing Calf Raises.