Seated Dumbbell Crunch
Comprehensive biomechanics and technique cues to execute Seated Dumbbell Crunch with joint safety, maximal activation of the Abs, and consistent progression.
Track sets and weights on eBolts
Automated rest timer, 1kg micro-loads, and offline functionality in the gym.
Execution Guide: Biomechanical Steps
Initial Setup and Positioning
Hold the dumbbells with a firm, neutral grip, preparing your movement path before starting.
Joint Lock and Posture
Maintain a controlled pelvic position, activating deep abdominal muscles without straining the lower back.
Concentric Execution and Muscle Focus
Initiate the concentric contraction targeting the Abs, moving the load smoothly without jerky momentum. eBolts technical cue: Keep good posture; contract at the top without fully extending.
Eccentric Control and Breathing
Control the eccentric descent in 2 to 3 seconds, sustaining continuous muscular tension. Inhale during lowering and exhale on peak effort.
Coach Technique Cue
Keep good posture; contract at the top without fully extending.
Equipment Alternatives
Dumbbells with a neutral grip, same range of motion and controlled tempo.
Medium-tension band anchored to a firm point, keeping tension at the end of the movement.
Bodyweight variation with a 1s pause at the contraction.
Equivalent machine or convergent leverage machine at the gym.