Hey there.
Just to make it a little easier with the whole warm-up thing:
Say you’re doing BB Back Squats…
Try this next time (for you, not your friend):
458 good reps
755
953 (last warm-up)
125as many as you get (hopefully 4-8)
As for your buddy, it would be something like (we’ll use less weight on the top set first, gotta fix that rounded back issue… Tell him to widen his stance, don’t squat narrow-stance with knees out in front…
Use a wider stance, “sit” between your legs… Push the ground apart with your feet, keep your chest high…
Imagine it like picking up a medicine ball which is lying between your feet. Got to keep your low-back arched at all times. Go below parallel, but it doesn’t have to be ATG):
458 (make sure you get your form right here. On all warm-ups and not just the work sets…)
905
1353
1651 (last warm-up)
200* as many as possible, 4-8 hopefully. No low-back rounding there! Unless you don’t mind severely injuring your spine that is…
Another example… Lat pulldowns:
You (theoretically you only need 2 warm-ups here, like 8 and 6 reps or so… Your warm-up weights are just too close together otherwise… But if you want to do 4 total sets:
45x8
60x5
80x3 (last warm-up)
100(or whatever is closest on that machine)xas many as possible (hopefully within your goal rep-range)
Friend:
45x8
75x5
90x3
115xamap
Concentrate on getting the most out of your work-sets. Don’t fatigue yourselves unnecessarily via warm-ups.
Widowmakers usually look something like
weight * 8-12. first pause… another 2-3 reps, pause… rinse and repeat…
Rev. Pec Deck
You:
2 plates x 12
3 plates x 8
4 plates x 4
5 plates x as many as possible (try for 11-12 at least this time, you’ll manage)
Friend:
3 plates x 12
4 plates x 8
6 plates x 4
7 plates x amap
Etc.