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IntermediateStrength
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Weighted Sit-Up
3sets
8-12reps
60srest
~4.7kcal/min
How to do it
Feel it right
Where you should feel it, the one cue to remember, and quick fixes when you feel it somewhere else.
You should feel it inAbsAbs tightening — pulling the ribs and hips toward each other.
Key cue (the coach says it during the set)“Exhale, curl the ribs down toward the hips.”
Tempo · Up 1 s · squeeze 1 · down 2 s
Choosing the load: Pick a weight you finish with 1–2 good reps left. 4+ left = too light; form breaks = too heavy.
Feel it somewhere else? Fix it like this
- Feel it in Neck / upper trapsPulling on the neck. Hands lightly by the temples or crossed on the chest; keep a fist of space under the chin.
- Feel it in Front of hipsHip flexors doing the work. Bend the knees more, do not anchor the feet, and curl the spine instead of folding at the hips.
- Feel it in Lower backLower back arching off the floor. Press it into the floor and exhale as you curl.
- Barely felt itToo light or too fast. Lower for 3 seconds, pause 1 second at the stretch, and pick a load that leaves only 1–2 reps in the tank.
- Joint painSharp or joint pain is a stop sign: end this set, lower the weight, shorten the range — if it repeats, switch to an easier variation.
During a workout we ask after the first set where you felt it and give the fix right away — and remember it for next time.
Tips
- Add load only once you can complete every rep with perfect form.
- Curl up smoothly rather than jerking up with a flat back.
- If you have lower-back issues, choose crunches or dead bugs instead.
Common mistakes
- Pulling on your head and neck to get up.
- Dropping back to the floor instead of lowering with control.
Breathing
Exhale as you sit up, inhale as you roll down.
Recommended by goal
Build muscle3–4 sets × 8–12 reps · rest 60–90 s
Strength4–5 sets × 4–6 reps · rest 2–3 min
Endurance2–3 sets × 15–20 reps · rest 30–45 s
Alternatives for the same muscle