Dumbbell Lying Floor Skull Crusher
Dumbbell Lying Floor Skull Crusher Exercise Description
The dumbbell lying floor skull crusher is an elbow‑extension exercise that primarily targets the triceps brachii. Lying on the floor provides a stable base and a built‑in range‑of‑motion limit, helping you keep the upper arms fixed while the forearms move. Using dumbbells allows each arm to follow its natural path and permits a neutral grip, which can feel comfortable for many lifters. Proper execution emphasizes a steady hinge at the elbows, neutral wrists, and minimal shoulder movement to keep tension on the triceps. Core bracing and gentle scapular retraction help maintain a neutral spine and consistent arm path throughout the set.
- Muscle Groups: Triceps
- Target Muscles: Triceps Brachii - Long Head
- Assisting Muscles: Triceps Brachii - Lateral Head
- Stabilizing Muscles: Multifidus, Rectus Abdominis, Rhomboid Major, Transversus Abdominis, Trapezius - Middle Fibers
- Body Area: Upper Body
- Body Parts: Arms, Upper Arms
- Body Surface: Back
- Body Symmetry: Bilateral
- Equipment: Dumbbell
- Exercise Patterns: Other
- Exercise Type: Strength
- Functional Grouping: Elbow Extensors
- Joint Involvement: Single-joint
- Muscle Location: Inner Tricep
- Movement Direction: Other
- Muscle Position: Posterior
- Gender: Male
How To Do The Dumbbell Lying Floor Skull Crusher Exercise
‘- Lie supine on the floor with knees bent and feet flat; head and upper back on the ground.
– Hold a dumbbell in each hand; press them above your shoulders with arms straight. Use a neutral grip (palms facing each other).
– Gently pull shoulder blades down and back; keep ribs down and spine neutral.
– Set elbows shoulder‑width and vertical or slightly angled toward your head; keep upper arms still.
– Keeping wrists straight, flex only at the elbows to lower the dumbbells toward the sides of your head/temples.
– Stop just before the dumbbells touch the floor or your head; pause under control.
– Extend the elbows to return the dumbbells over your shoulders; finish straight without forcefully locking out.
– Keep elbows pointing generally toward your feet—avoid flaring wide.
– Maintain forearms perpendicular to the floor at the bottom; do not let the weights drift over your face.
– After finishing, bend elbows to bring dumbbells to your chest, then roll to your side before sitting up.
Dumbbell Lying Floor Skull Crusher Tips
‘- Brace your core and keep your ribs down to maintain a neutral spine on the floor.
– Gently pull your shoulder blades down and back before you start and maintain that retraction during the set.
– Set your elbows shoulder‑width and vertical or slightly angled toward your head, and keep your upper arms still.
– Use a neutral grip with palms facing each other and keep your wrists straight throughout.
– Focus on hinging steadily at the elbows only, with minimal shoulder movement.
– Lower the dumbbells toward the sides of your head/temples, stopping just before they touch your head or the floor.
– Pause briefly at the bottom and keep the movement under control.
– Keep your elbows pointing generally toward your feet and avoid letting them flare wide.
– Maintain your forearms perpendicular to the floor at the bottom; do not let the weights drift over your face.
– At the end of the set, bend your elbows to bring the dumbbells to your chest, then roll to your side before sitting up.
Dumbbell Lying Floor Skull Crusher Beginner Introduction
The dumbbell lying floor skull crusher targets the back of the upper arms through a controlled bending and straightening of the elbows while you rest on the ground. Working from the floor creates a very steady base and a natural stopping point for the weights, which encourages a consistent path for each repetition. Because the body is supported, attention shifts to the arms, with the upper arms staying nearly still as the lower arms move the dumbbells.
Using individual dumbbells allows each side to follow its own natural line, with the hands turned in so the palms face each other. The movement centers on a smooth hinge at the elbows, calm shoulders, and stable wrists so the triceps stay under tension. Light engagement through the midsection, along with gently set shoulder blades, supports a neutral, comfortable position for the spine and ribcage. This creates an arm‑training option that blends muscle effort with deliberate control and body awareness.