Program

Greyskull LP: the beginner program with an AMRAP set

Greyskull LP is a beginner barbell program created by John Sheaffer (Johnny Pain) and best known today in Phrak's version from Reddit's r/Fitness. You train three full body days a week, doing 2 sets of 5 and a final set of as many reps as possible on each main lift, add a little weight every session, and cut the weight by 10 % when you miss your reps.

Updated
Barbell overhead press: front delts highlighted

What is Greyskull LP?

Sheaffer wrote Greyskull LP (the Greyskull Linear Progression) as a response to classic 3 x 5 beginner programs. Two ideas set it apart. The last set of each lift is an AMRAP, written 5+, so a strong day turns into extra reps instead of being capped at five. And when a lift stalls, you take 10 % off and build back up instead of grinding at the same weight. His book adds optional "plug-ins" for accessories and versions for different goals.

The version most people run, and the one most searches are about, is Phrak's Greyskull LP. Phrakture, a moderator of r/Fitness, adapted the program and added chin-ups and barbell rows on the same 2 x 5, 1 x 5+ scheme, so the upper back gets as much work as the presses. The rest of this page describes that version.

Phrak's Greyskull LP template

Workouts A and B
Workout AWorkout B
Overhead press 2 x 5, 1 x 5+Bench press 2 x 5, 1 x 5+
Chin-up 2 x 5, 1 x 5+Barbell row 2 x 5, 1 x 5+
Squat 2 x 5, 1 x 5+Deadlift 1 x 5+

Train three non-consecutive days a week and alternate the workouts, so one week is A, B, A and the next is B, A, B. Every lift is trained three times in two weeks. The first two sets are fixed at 5 reps; only the last set is open ended. Deadlifts get a single 5+ set, which keeps the lower back fresh for squats two days later.

Two week rotation
WeekMondayWednesdayFriday
1ABA
2BAB

Rest about 2 to 3 minutes between sets as a rule of thumb, longer on squats when the weights get heavy. Sessions with warm-ups usually take 45 to 60 minutes.

Progression: jumps, the AMRAP and the 10 % reset

  1. Add weight every sessionWhen you hit all the prescribed reps, add 1.25 kg (2.5 lb) to upper body lifts (press, bench press, row, chin-up) and 2.5 kg (5 lb) to lower body lifts (squat, deadlift) next time. Each lift progresses on its own.
  2. Double the jump on a big AMRAPIf the 5+ set reaches 10 reps or more, add twice the normal amount: 2.5 kg (5 lb) on upper body lifts, 5 kg (10 lb) on lower body lifts. This lets you catch up quickly if you started too light.
  3. Reset by 10 % when you missIf you fail to get 5 reps on any set of a lift, take 10 % off that lift next session and work back up. Only the lift you missed resets. The reset weight comes back fast, and the AMRAP sets usually beat your old rep count on the way.
How hard is the AMRAP? Stop when the next rep would break form, not when you physically cannot move the bar. A rep or so left in the tank on the 5+ set keeps you making progress for longer.

Example: a squat of 80 kg (176 lb) for 5, 5, 7 means 82.5 kg next time. 80 kg for 5, 5, 11 means 85 kg. If you then get 5, 5, 4 at 100 kg, the next squat session is 90 kg.

Chin-up progression

Chin-ups start at bodyweight. Once you get all the reps, add weight with a dip belt or a backpack in the same 1.25 kg (2.5 lb) steps. If you cannot yet do 5 chin-ups, use the lat pulldown or band-assisted chin-ups for the same sets until you can, a common substitution in the program's community.

Starting weights

Start light, then let the jumps and the AMRAP rule find your level. The empty bar, 20 kg (45 lb), is fine for the press, bench press and squat if you are new. Rows and deadlifts can start heavier, for example 40 to 60 kg (88 to 132 lb), because they are stronger lifts and the bar needs to sit at the right height from the floor.

If you have trained before, take a weight you can lift for about 8 clean reps and start there. Your first AMRAP sets will be high, the double jump kicks in, and within a couple of weeks you will be at a weight that challenges you. Learning the lifts well matters more than starting heavy: the squat, bench press, overhead press and deadlift guides cover the technique.

Accessories and Greyskull LP variants

Phrak's version keeps extras optional. The program's community commonly allows a few accessories at the end of a session, such as curls, triceps work, face pulls or ab work, for 2 to 3 sets of 8 to 15. Keep them short: the main lifts drive the progress, and long sessions eat into recovery.

"Greyskull LP variants" usually means the plug-ins and goal based versions in Sheaffer's book, or community changes to Phrak's template such as swapping chin-ups for pulldowns. If you want accessories built in from day one, GZCLP adds a second lift and an accessory tier to every workout.

Gripp

Run Greyskull LP in Gripp

Log your 5+ sets and Gripp keeps an estimated 1RM per lift on a progress chart, so a 5, 5, 11 day shows up as real progress. On accessories, Gripp tells you what to lift next session using rep ranges. Need to swap chin-ups for pulldowns for a few weeks? Ask the coach, and the change only happens when you approve it.

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Greyskull LP vs other beginner programs

Beginner programs compared
ProgramMain schemeOn failureUpper back work
Greyskull LP (Phrak's)2 x 5, 1 x 5+Cut 10 % and rebuildChin-ups and rows as main lifts
Starting Strength3 x 5 (deadlift 1 x 5)Repeat the weight, then reducePower cleans, chin-ups later
StrongLifts 5x55 x 5 (deadlift 1 x 5)Repeat, then deloadBarbell row
GZCLPT1 5 x 3+, T2 3 x 10, T3 3 x 15+Change sets and reps firstPulldowns and rows as T3

Greyskull LP has the lowest volume per lift of the group, which makes it easy to recover from and a good fit for people who also run or play sport. The extra chin-ups and rows balance the pressing, and the AMRAP sets give you something to beat even on days the weight does not move.

When to move on

Run Greyskull LP as long as the weights keep climbing, often 2 to 4 months or more. You are ready for an intermediate program when you reset the same lifts again and again and the 5+ sets barely reach 5 even after a reset. The Texas Method, with its weekly volume and intensity days, and nSuns are common next steps. Read more about why small, steady increases work in the progressive overload guide.

The exercises

Questions people ask

Is Greyskull LP good for beginners?
Yes, it is built for them. The volume is low, the rules are simple, and the AMRAP sets let fast learners move ahead quickly. Learn each lift with light weights first and let the program do the rest.
What is the difference between Greyskull LP and Phrak's Greyskull LP?
Phrak's version is an adaptation of John Sheaffer's original, written for the r/Fitness community. It adds chin-ups and barbell rows on the same 2 x 5, 1 x 5+ scheme and keeps everything else simple: alternate A and B workouts, small jumps and a 10 % reset.
Greyskull or Grayskull: which spelling is right?
The program is Greyskull LP, with an e. Castle Grayskull from He-Man is spelled with an a, which is why both spellings show up in searches.
GSLP vs GZCLP: which should I pick?
Pick Greyskull LP if you want short sessions with three lifts per day. Pick GZCLP if you want more volume and built in accessories. Both are good first programs; consistency matters more than the choice.
Can I build muscle on Greyskull LP?
Yes, beginners gain muscle well on simple strength programs if they eat enough protein and calories. Adding a few sets of arm or shoulder accessories helps if size is your main goal.
What if I can't do chin-ups?
Use the lat pulldown or band-assisted chin-ups for the same sets and progress them until you can do 5 strict chin-ups at bodyweight, then switch back.

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