Biceps Workout: The 5-10-20 Protocol

by Gareth Sapstead

Build Big Arms Like This

Got hard-to-grow biceps? Use the clever and challenging 5-10-20 protocol in your next biceps workout and try not to cry.

The 5-10-20 Biceps Workout

This hypertrophy protocol requires you to do three specific types of exercises back-to-back, using 5, 10, and then 20 reps in that order.

All three exercises are beneficial on their own, but combining them in one sadistic set multiplies their effect. The 5/10/20 protocol works by exposing you to a variety of muscle-building stimuli at once.

Basically, it looks like this:

  • Do a heavy, multi-joint exercise that hits the biceps (5 reps).
  • Now do a moderate-weight isolation exercise for biceps (10 reps).
  • Finally, grab a resistance band for one final biceps exercise (20 reps).

There are many exercises to choose from, but hereā€™s an example.

Sample 5-10-20 Biceps Workout

  • A1. Overhand Narrow-Grip Inverted Row
    5 reps with a 4-second eccentric, rest 10-30 seconds.
  • A2. Zottman Curl
    10 reps with a normal lifting speed, rest 10-30 seconds.
  • A3. Overhand Band Bicep Curl
    20 reps squeezing hard, 2 minutes rest.

Do 2-4 total sets.

The Details

Step 1

Start with a heavy, multi-joint exercise for 5 reps, taking 5 seconds to complete each rep. Take 4 seconds to lower and 1 second to lift (a 4-second eccentric with a regular concentric lifting speed).

Although youā€™ll be using a relatively heavy multi-joint movement, youā€™ll still want to maximize biceps recruitment, as opposed to your back. For that reason, narrow-grip rows and pull-ups tend to work best. Just actively squeeze your arms throughout each rep.

To get a sufficient muscle-building effect, perform each rep a little slower than you might normally, taking about 25 seconds to complete your set of 5.

Step 2

After a 10-30 second rest, move to a moderate-weight exercise with more isolation for a set of 10 reps.

Dumbbell curl variations work particularly well. Use a regular lifting speed (2 seconds to lower with 1 second to lift), and try to select a grip that corresponds to what you did on your previous exercise. If you used an underhand grip on your multi-joint exercise, then use an underhand grip here too.

An overhand grip should pair with an overhand grip curl, and a hammer (neutral) grip with a hammer-grip curl. The grip you start off with will be determined by the areas of your upper arms youā€™re trying to target the most.

Step 3

After resting 10-30 seconds, transition to a set of resistance band biceps curls.

The band resistance should be strong enough so your final 20 reps are challenging. Since youā€™ve lifted heavier in the previous exercises, youā€™ll get a little potentiation effect here (the band will feel light at the start), but the reps will quickly catch up on you by the end. Again, try to use a grip that matches your previous exercises.

Thatā€™s one set completed. Take about 2 minutes off to check out your biceps swoliosis, then repeat for 2-4 total sets.

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It is VERY similar to this protocolā€¦

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Similar yes, but I do like the idea of reducing the reps slightly as Gareth has done with regards to trying to maximize both mechanical tension & metabolic stress while keeping muscle damage at bay (too much muscle damage can negatively impact hypertrophic response.)

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Couldnā€™t have said it better!

(Either that or I just prefer counting in multiples of 5šŸ˜‚).

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Applied this method to the glutes/hammies:

1 - RDL with a 4-sec eccentric.
2 - Barbell Glute Bridge with a 2 sec isometric squeeze at the top.
3 - Bodyweight Hip Thrust.

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I have to throw out a warning on this type of volume to older lifters. I started weight training for the first time about 4 years ago. Iā€™m 55 now. Last year I started hitting most of my strength ā€œgoalsā€ and started thinking about hypertrophy for the first time. Taking a look at my body without really ā€œtryingā€ my traps, shoulders, and strangely calves have gotten much larger and more defined over the past 4 years even at 55. However my biceps had not seemed to have grown at all. I started doing some focused bicep work similar to the protocol described above and quickly got tendonitis. Fast forward about 10 months Iā€™m starting to see some growth and definition but anytime I try to add a lot of ā€œdrop setsā€ to my bicep training even with bands or a cable machine the tendonitis comes on strong. I have found that frequency and consistency has worked best, volume (especially with multiple drop sets) seems to always lead to tendonitis. Today I do some sort of bicep work three days a week. 3 - 5 sets, no more than 12 reps per set. I only program drop sets one of the three days. I tried a lot of different bicep exercises but I think I am getting the most hypertrophy from chinups, cable curls with a bar, and strict ā€œheavyā€ barbell curls with a straight bar. Avoid the ā€œitisā€ at all costs!

That sounds horrible! I like it!!

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