General exercise guide
Bayesian Curl
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Primary
Biceps
Secondary
Forearms, Brachialis
Equipment
Cable
Difficulty
Intermediate
Type
Pull
See how Bayesian Curl could fit a workout
The example below shows one possible placement. Your purchased plan is built from your assessment, and Ely checks every exercise before approving it.
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This page is not medical advice or a rehabilitation protocol. Ely's personal review applies to purchased workout plans and does not replace an in-person assessment by a licensed healthcare professional.
Bayesian curls position your arm behind your body facing away from a low cable, maximally stretching the biceps long head. This behind-the-body position creates the greatest stretch possible on the biceps, targeting the portion responsible for bicep peak development. Research suggests training muscles in stretched positions may enhance growth.
When to use it
Use for long head emphasis and bicep peak development.
Who it's for
Intermediate to advanced lifters targeting bicep peak.
Coaching Note
Stand facing away from the cable machine with your arm extended behind you. Keep your elbow locked in position throughout—the only movement should be at the elbow joint. Let your arm stretch fully back before curling forward.
Muscles worked: Bayesian Curl
Also targets: Forearms, Brachialis
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Bayesian Curl form guide
- 1
Set cable pulley to lowest position.
- 2
Stand facing away from machine, grab handle.
- 3
Let arm extend behind you with tension.
- 4
Curl handle forward and up toward shoulder.
- 5
Squeeze bicep at peak contraction.
- 6
Lower slowly behind you to stretched position.
What are the best tips for the Bayesian Curl?
This position maximizes long head stretch.
Named for creating stretch similar to lying extensions.
Keep elbow position fixed as anchor point.
When to Use the Bayesian Curl
Program Bayesian curls when long head and peak development is the priority. They work best with moderate weight and controlled tempo (12-15 reps). Use them as a secondary or finishing movement after heavier bilateral curls.
What are common Bayesian Curl mistakes to avoid?
Moving elbow during curl - loses stretch benefit.
Letting your elbows drift away from the intended path during the Bayesian Curl can change which muscles carry the load. Use the elbow position described in the setup cues and keep it consistent through each rep.
Not letting arm go far enough back - limits stretch.
Changing your back position during the Bayesian Curl can alter the movement and make the load harder to control. Brace your midsection and keep the torso position called for by the exercise.
Using too much weight - cant control stretch.
Loading more weight than you can control on the Bayesian Curl often creates compensations that shift work away from your Biceps brachii (long head). Reduce the load until each rep follows the intended path.
Is the Bayesian Curl right for you?
Intermediate to advanced lifters targeting bicep peak.
Programming examples for Bayesian Curl
These ranges illustrate ways to organize training. They are not an individual prescription. Adjust them for the exercise, your experience, and the rest of your program.
Strength6-8 reps
Heavier loads can be useful for developing maximum strength. The range shown is an example, and the load must match your current technique and capacity.
Muscle Growth10-12 reps
Muscle growth can occur across different loads and repetition ranges. This example is not a uniquely effective zone; your overall program and effort also matter.
Endurance15-20 reps
This is an example of a longer set. A repetition target alone does not establish joint safety or whether the exercise is appropriate for you.
Example: 3 sets of 10-12 reps per arm. Rest 45 seconds.
Background for resistance exercises: the 2026 ACSM position stand covers healthy adults, and a load-comparison review found similar muscle growth across loads in studies using sets taken to muscular failure. These findings do not validate every exercise-specific range shown here or require training to failure.
Where Bayesian Curl fits in your workout
This is one example of how Bayesian Curl could sit inside a complete workout. Your plan may use different movements after Ely checks your assessment.
Sample workout
- Pull-Up or Lat Pulldown4 × 8
- Row Variation3 × 10
- Bayesian Curl3 × 12
- Hammer Curl3 × 12
Use this exercise in Gym Mode
MySetPlan guides you set by set, times your rest, records your work, and tells you what to do next from the plan Ely approved.
Start My $19 WeekWhat are good alternatives to the Bayesian Curl?
Incline Dumbbell Curl
BicepsDumbbellIntermediate
Drag Curl
BicepsBarbellIntermediate
Overhead Cable Curl
BicepsCableIntermediate
Other Variations
- Dumbbell Bayesian Curl
- Band Bayesian Curl
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Related Content
Safety Notes
- Start light to feel the stretch.
- Control the eccentric.