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Home » What Muscles Does a Stair Climber Work + Stepper Benefits

What Muscles Does a Stair Climber Work + Stepper Benefits

Last updated on December 26, 2025 by Rich

Stair Climber Muscles Used – Introduction

What Muscles Does the Stair Climber Work? 

Do you wonder how helpful a stair climber is to improve your mental and physical fitness?

From a 30,000-foot view, the answer is that a stair stepper is an incredible fitness tool to tone and condition your entire body.

A stair climber machine targets the following muscle groups:

The largest muscles in your lower body

The essential stair-climbing muscles worked include:

#1. Gluteus Maximus

Climbing stairs with a stair climber or up a flight of stairs will exercise your body’s largest muscle groups, specifically, your gluteal muscles.

The gluteus maximus is the biggest muscle in your body, and the gluteal muscle group is also known as your buttocks.

The gluteal muscle group consists of:

  • the gluteus maximus,
  • gluteus medius, and
  • the gluteus minimus
What muscles do stair climbers work? The gluteus maxims is the largest muscle worked by the stair climber
Stair climber muscles worked – Glutes – Image Credit: pureposture.net

As such, the gluteus maximus is also one of the most dominant muscles of your posterior chain.

“The posterior chain is a group of muscles consisting mainly of tendons and ligaments along the backside of the body.”¹

Does stair climbing tone your butt?

You bet.

Even better than shaping a powerful derriere, you activate muscles likely dormant from inactivity.

Modern Life Ignores the Posterior Chain

Many people fail to work the posterior chain muscles because you cannot see them in the mirror.

Instead, you might spend much more time sitting on this vital muscle than training it!

A stair climber machine can make training your glutes and leg muscles much more manageable than driving to a stadium or apartment building to climb real stairs.

And even if you live in an apartment building, you might not want to climb up the stairs in a deserted staircase.

Using the stairclimber at the gym or having one at home is more convenient and comfortable.

 

Neglecting these powerful muscles results in training only half your body much of the time, precisely the front half, with exercises like:

  • dumbbell bicep curls
  • dumbbell shoulder presses, which work the front and medial deltoids
  • sitting leg raise, which isolates your quads
  • sit-ups for your abdominals
  • pushups or bench presses for your chest, the pectoralis major and minor muscles

How to Use a Stair Master to Burn 10000 Calories

#2. Hamstrings

Opposite your quadriceps on the back of your thighs are your hamstrings, another great link in your posterior chain.

Your hamstring muscle group includes the:

  • biceps femoris
  • semimembranosus and
  • semitendinosus
what muscles does a stair climber work - hamstrings are one important part of your posterior chain
Stair climbing muscles used – Hamstrings – Image Credit: HeathJade.com

#3. Quadriceps

On the front of your thighs are your quadriceps, also called quads. 

Your quadriceps are a four-headed muscle group made up of:

  • rectus femoris,
  • The vastus intermedius and the
  • vastus lateralis and
  • last, the vastus medialis
Stairmaster muscles worked quadriceps Image credit rugby store blog
Quadriceps Image Credit – rugby store blog

#4. Hip Flexors

The hip flexor muscles include:

  • the iliacus and psoas major muscles, which are known as the iliopsoas
  • the rectus femoris, which is part of your quadriceps, as mentioned above

You use your hip flexors when lifting your knee, which you will do every step on a stair climber. 

 
hip flexor complex image credit apolo performance therapy
Hip flexor complex – Credit Apollo performance therapy

#5. Calves

The stair climber works out your calves as well.

As a result, a stair climber will give you a great lower-body workout.

Your calf muscles are made up of two muscles:

  • gastrocnemius (lateral and medial) that is larger and on top of
  • the soleus, which is under the gastrocnemius
calf muscle is also worked out by climbing stairs
calf muscle picture – Image Credit: WebMD

#6. Abdominal muscles

The abs support and stabilize your spine as you work out on a stair climber.

Your ab muscles include:

  • rectus abdominis in the front of your body
  • internal and external and obliques on the sides of your body
  • transversus abdominis, which is underneath them
stair climbing tones the abs which provide support and stability to the spine
Muscles of the abdominal wall – Image Credit: Antranik.org

Stair Climber Benefits

According to a study in the British Journal of Sports Medicine, stair climbing offers significant fitness and cardiovascular benefits. ²

For example: 

#1. Lower your heart rate through consistent use

#2. Improve your cardiovascular health and endurance

#3. burn calories

#4. lose weight

#5. Minimize stress on your knee joint as compared to running

#6. Get a complete lower body and great cardio workout in only 30 minutes without using a personal trainer

#7. Increase your bone density

#8. Focus on lower body strength

#9. Tone the muscles of your body, especially your legs and rear

#10. accessible to everyone who can climb stairs!

Complete a Physical Activity Readiness Questionnaire (PAR-Q) to ensure cardiovascular exercise is safe for you.

Check with your doctor if you are unclear how to interpret your results.

Best Cardio Machine for Fat Loss

What Muscles Do Stairs Work – Wrapping up

Body composition and cardiovascular fitness are the first two primary components of fitness.

The five main components of fitness are:

  • Body Composition
  • Cardiovascular Endurance
  • Flexibility
  • Muscular Endurance
  • Muscular Strength

Stair climbing is a form of aerobic exercise that strengthens the heart and lungs and improves overall fitness.

As such, a consistent stair-climbing workout helps you make progress toward all your fitness goals.

You will improve your cardiovascular endurance and lower your blood pressure and heart health.

What muscles does stair climbing work?

Stair climbing, whether on plain old stairs or on stair machines, will also strengthen your bones and muscles and condition the largest muscles of your lower body, improving your flexibility.

Also, sticking to your program will result in weight loss and improve your body composition.

But, no matter how much exercise you do, you will always struggle to out-train a bad diet.

What’s Next

If you need to lose weight, be sure to use this great way to lose 20 pounds in 3 months.

You can repeat that diet with a minimal training plan to drop 20 pounds as often as needed, then maintain your ideal weight.

Also, cardio exercises like:

  • stair climbing,
  • swimming,
  • running
  • rowing,
  • cycling,
  • Assault air bikes,
  • treadmills, and
  • ellipticals are great ways to burn calories.

However, cardio is not the only game in town when it comes to transforming your body.

You might be surprised to learn that weightlifting, such as full-body compound exercises like deadlifts, can also burn plenty of calories.

Even better, the deadlift exercise will tone and build strength across all major muscle groups, particularly your often-neglected posterior chain.

No matter what your age! See Shirley Webb’s incredible deadlift results at age 75 if you don’t believe me.

Additional excellent resistance exercises and strength training workouts include:

  • Pushups, bench presses, and overhead presses for your arms and chest, and
  • Squats and squat accessory exercises are for mobility and lower-body explosive power.
  • 3×5 Workout: The Only Strength Training Program You’ll Ever Need
  • Beginner Powerbuilding Program: Big & Strong Workout + Free PDF
  • Strength Training for Men Over 50 + Full-Body Workout

Footnotes

¹ What is the posterior chain, and why is it so important?

² Training effects of short bouts of stair climbing on cardiorespiratory fitness

Filed Under: Body Transformation

About The Author

Rich - Fitness Over 50 NASM Certified Personal Trainer Rich is a NASM-CPT and Integrative Nutrition Health Coach. At 55, he lost 75 pounds in 6 months, and discovered if you change your body, you can change your life. Ready to reignite your fitness? Start Your Body Transformation Journey Here. | See all articles by Rich

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