US Trends

how many sit ups should i do a day

You don’t need hundreds of sit-ups a day; for most people, a focused 10–30 reps per set, a few sets, is enough when done with good form and combined with other core work.

The short, practical answer

How many sit ups should you do a day depends on your level and any back/neck issues:

  • Beginner:
    • 2–3 sets of 8–12 sit-ups, done 3–4 days per week.
    • Rest 30–60 seconds between sets.
  • Intermediate:
    • 2–3 sets of 15–20 sit-ups, 3–4 days per week.
  • More advanced:
    • You can push toward 20–25 reps per set if your form stays solid and you have no pain.

Many fitness guides suggest something around 30–40 total sit-ups per day as a reasonable target for a generally healthy adult, rather than very high numbers.

Key points so you don’t overdo it

  • Focus on quality, not crazy high rep counts. Poor-form sit-ups done fast mostly strain your hip flexors and neck instead of training your abs.
  • Give your muscles recovery: doing hard sit-ups to fatigue every single day can irritate your lower back or hip flexors. Aim for 3–4 sit-up/core days per week, not 7.
  • Mix in other core moves (planks, side planks, dead bugs, glute bridges) so your core gets stronger in different directions, not just the “curl up” motion.

Example simple core mini-routine (3–4x per week):

  1. Sit-ups: 2–3 sets of 10–15
  2. Plank: 3 sets of 20–40 seconds
  3. Side plank (each side): 2 sets of 15–30 seconds
  4. Glute bridges: 2–3 sets of 10–15

A quick reality check about abs

  • Sit-ups alone will not “burn belly fat” or guarantee a six-pack; that mostly comes from overall body-fat reduction through diet, general activity, and full-body training.
  • If you already feel your lower back when you do sit-ups, swap many of them for crunches or planks, which put less load on the spine for most people.

How to pick your number

Use this as a simple guideline:

  • If you can’t reach 10 with clean form: start at 5–8 per set and build up.
  • If 20 is easy: slow the movement down, add a pause at the top, or hold a light weight instead of jumping to 100+ reps.
  • Stop immediately if you feel sharp back or neck pain rather than normal muscle fatigue.

Information gathered from public forums or data available on the internet and portrayed here.