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.
Lower reps with heavier weight builds raw strength. Your muscles and nervous system adapt to handle more load over time. This range is best for strength-focused goals.
This rep range keeps your muscles under tension long enough to trigger growth. Most people see the best muscle-building results in this zone. It balances strength and muscle size.
Higher reps with lighter weight builds muscular endurance and improves conditioning. This range is good for joint health and building work capacity.
General guideline: 3 sets of 10-12 reps. Rest 60 seconds.
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.
The Decline Skull Crusher is rated as intermediate difficulty, meaning it requires some training experience. Intermediate lifters wanting varied skull crusher angle. Focus on proper technique and consider starting with easier variations.
For the Decline Skull Crusher, the recommended approach depends on your goals. 3 sets of 10-12 reps. Rest 60 seconds. For strength, use 6-8 reps. For muscle growth, perform 8-12 reps. For endurance, complete 12-15 reps.
The Decline Skull Crusher typically requires a ez bar, which most home gyms don't have. For a home-friendly alternative targeting the same muscles, check the variations section above.
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.