Primary
Triceps
Secondary
Shoulders
Equipment
Ez Bar
Difficulty
Intermediate
Type
Push
See how Decline Skull Crusher 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.
Decline skull crushers place you on a slight decline angle, which increases the stretch on the long head of your triceps compared to flat skull crushers. The decline also allows the bar to travel further behind your head, creating greater range of motion and tension at the stretched position.
When to use it
Use for long head emphasis with increased stretch.
Who it's for
Intermediate lifters wanting varied skull crusher angle.
Set the bench to a slight decline (15-30 degrees) and secure your feet. Lower the bar toward your forehead or behind your head while keeping your upper arms stationary. The decline makes controlling the weight more challenging, so start lighter than flat skull crushers.
Also targets: Shoulders
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Set bench to slight decline.
Lie back holding EZ bar with narrow grip.
Extend arms over chest.
Lower bar toward forehead by bending elbows.
Keep upper arms stationary.
Extend elbows to return to start.
Decline adds stretch to long head.
Targets triceps from different angle.
Can lower behind head for more stretch.
Use decline skull crushers when you want increased long head stretch or variety from flat skull crushers. They fit well as a secondary tricep movement, rotated with flat and incline variations across training blocks.
Letting elbows flare.
Letting your elbows drift away from the intended path during the Decline Skull Crusher can change which muscles carry the load. Use the elbow position described in the setup cues and keep it consistent through each rep.
Moving upper arms for optimal results.
During any pressing movement like the Decline Skull Crusher, this mistake reduces how effectively your Triceps (long head) can produce force. Focus on the muscle you're trying to work — if you can't feel your Triceps (long head) driving the movement, something is off.
Using too much weight.
Loading more weight than you can control on the Decline Skull Crusher often creates compensations that shift work away from your Triceps (long head). Reduce the load until each rep follows the intended path.
Intermediate lifters wanting varied skull crusher angle.
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.
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 growth can occur across different loads and repetition ranges. This example is not a uniquely effective zone; your overall program and effort also matter.
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. Rest 60 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.
This is one example of how Decline Skull Crusher could sit inside a complete workout. Your plan may use different movements after Ely checks your assessment.
Sample workout
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Frequently Asked Questions About the Decline Skull Crusher
The Decline Skull Crusher primarily targets the Triceps (long head), making it an effective exercise for triceps development. Secondary muscles worked during the Decline Skull Crusher include Anconeus, providing additional training stimulus. Stabilizer muscles engaged include Shoulders.
Our library labels Decline Skull Crusher as intermediate. That category is not an individual assessment. Review the setup, movement instructions, and safety notes, and seek qualified guidance if you are unsure how to perform it.
The programming section shows examples for Decline Skull Crusher. The appropriate amount depends on your current ability, the exercise, and your other training. The listed ranges are not an individual prescription or a guarantee of a particular outcome.
The main equipment listed for Decline Skull Crusher is a ez bar. Check the instructions for any additional support, anchor, bench, rack, or clear space needed. The equipment label alone does not confirm that your home setup is suitable.
Good alternatives to the Decline Skull Crusher include: Skull Crusher, Incline Skull Crusher, Overhead Tricep Extension. These exercises target similar muscle groups as the Decline Skull Crusher and can be used as substitutes based on your equipment availability, gym setup, or training preferences.