New: iOS App Available Now. Learn More
FirmusFirmus
ExercisesPricingSupportRoutines

Your fitness journey starts here. Track workouts, build routines, and achieve your goals.

App StoreGoogle Play

Product

  • Download App
  • Features
  • Pricing

Resources

  • Exercises
  • Muscle Groups
  • Equipment
  • Routines
  • Blog

Company

  • About
  • Contact
  • Privacy
  • Terms

© 2026 Firmus. All rights reserved.

Back to Exercises
Beginner
Abs

Prisoner Half Sit-up (male)

The prisoner half sit-up is a bodyweight workout that strengthens your tummy muscles. You lie on your back with your hands behind your head. Then, you curl your upper body up halfway before lowering it back down.

Share:

Loading...

Prisoner Half Sit-up (male) demonstration

How to Perform

  1. 1Lie on your back with your knees bent and your feet flat on the floor.
  2. 2Put your hands behind your head and point your elbows out to the sides.
  3. 3Tighten your tummy muscles and slowly lift your upper body off the floor until you are halfway up.
  4. 4Stop for a short moment at the top, then slowly lower your body back down to the floor.
  5. 5Do this again for as many times as you need.

Exercise Info

Primary Muscles
Abs
Secondary Muscles
Hip flexors
Equipment
Body weight
Difficulty
Beginner

Track This Exercise

Add this exercise to your custom routines in Firmus

Share

Hashtags

#PrisonerHalfSitupmale#Abs#Bodyweight#Beginner#Fitness#Workout#Exercise#Firmus

Use these hashtags when sharing on social media for better discoverability

Start Tracking Prisoner Half Sit-up (male)

Download Firmus and take your fitness to the next level