The Decline Sit-Up is a beginner-friendly bodyweight strength exercise that targets the abdominals, with the quadriceps working alongside. Here's how to do it right — and what to stop doing.
Primary musclesAbs
Secondary musclesQuads
EquipmentBodyweight
LevelBeginner
TypeStrength
3D demo in the EGON app
01 Execution
How to do the Decline Sit-Up
Set a decline bench and secure both feet under the padded roller.
Lie back with your knees bent and your arms crossed over your chest.
Tuck your chin lightly toward your chest to protect the neck.
Exhale and curl your torso up until your chest travels toward your thighs.
Pause briefly at the top with the abdominals fully shortened.
Lower yourself back to the bench under control and repeat.
02 The payoff
Why it earns its spot
Trains the full trunk flexion range with more resistance than a floor sit-up.
Adjusts difficulty by bench angle, so one station serves several ability levels.
Loads easily with a plate or dumbbell held across the chest when bodyweight stops challenging.
03 Don't do this
Common mistakes
Yanking on the head or neck to start the rep, which strains the cervical spine.
Letting the hip flexors pull the torso up first, which leaves the abdominals barely loaded.
Dropping back onto the bench at speed, which discards the eccentric and jars the spine.
Choosing a steep decline before the movement is controlled, which forces momentum-driven reps.
EGON Put it on record
Track it in EGON.
Log every set of the Decline Sit-Up, get your PRs detected automatically, earn aura for the work — and climb five leagues of statues, from Stone to Ego.
