When you’re losing weight with GLP-1 medication, the right exercise routine does more than burn calories. It determines whether you lose mostly fat or a mix of fat and muscle. It shapes how you look at your goal weight, how much energy you have, and how well you maintain your results long-term. These five exercises are specifically chosen to complement GLP-1 treatment and maximize the quality of your weight loss.
1. Squats
The squat is the single most effective exercise for preserving and building lower body muscle mass during weight loss. It targets the quadriceps, hamstrings, glutes, and core simultaneously, making it the most efficient use of your training time.
Why it matters for GLP-1 patients: Your legs contain the largest muscles in your body. Maintaining this muscle mass is critical for keeping your metabolism elevated as you lose weight. Research in the Journal of Strength and Conditioning Research confirms that lower body resistance training is the most effective intervention for preventing lean mass loss during caloric restriction.
How to do it:
- Stand with feet shoulder-width apart, toes slightly turned out
- Push your hips back and bend your knees as if sitting into a chair
- Lower until your thighs are at least parallel to the floor (or as deep as comfortable)
- Drive through your heels to stand back up
- Start with bodyweight only, then progress to goblet squats holding a dumbbell or kettlebell
Programming: 3 sets of 8 to 12 repetitions, two to three times per week. Rest 60 to 90 seconds between sets.
2. Push-Ups (or Dumbbell Chest Press)
Push-ups train the chest, shoulders, and triceps while engaging the core as a stabilizer. They require zero equipment and can be scaled to any fitness level.
Why it matters for GLP-1 patients: Upper body muscle mass is particularly vulnerable during weight loss because it’s less involved in daily activities than your legs. Targeted upper body training ensures balanced muscle preservation. It also improves posture, which changes how you carry yourself and how others perceive you.
How to do it:
- Start in a plank position with hands slightly wider than shoulder-width
- Lower your chest toward the floor while keeping your body in a straight line
- Push back up to the starting position
- Modifications: Start with incline push-ups (hands on a bench or counter) if floor push-ups are too difficult. Progress to knee push-ups, then full push-ups
Alternative: If you have access to dumbbells, a dumbbell chest press lying on a bench or the floor is equally effective.
Programming: 3 sets of 8 to 15 repetitions, two to three times per week.
3. Rows (Dumbbell or Resistance Band)
Rows target the back muscles, including the latissimus dorsi, rhomboids, and rear deltoids, along with the biceps. They’re the counterpart to push-ups and essential for balanced upper body development.
Why it matters for GLP-1 patients: A strong back improves posture, reduces the risk of back pain (which becomes more noticeable as body mechanics change with weight loss), and contributes to a more athletic appearance. Back muscles are also among the largest in the upper body, meaning they contribute meaningfully to resting metabolic rate.
How to do it (dumbbell row):
- Place one hand and one knee on a bench or sturdy chair for support
- Hold a dumbbell in the opposite hand, arm hanging straight down
- Pull the dumbbell toward your hip, squeezing your shoulder blade back
- Lower slowly and repeat
- No equipment? Use a resistance band anchored to a door handle at chest height
Programming: 3 sets of 10 to 12 repetitions per side, two to three times per week.
4. Walking
Walking might not seem like it belongs alongside squats and rows, but for GLP-1 patients, it’s arguably the most impactful daily habit you can build. It’s not about burning calories. It’s about recovery, consistency, and metabolic health.
Why it matters for GLP-1 patients: Walking improves insulin sensitivity, which enhances the metabolic benefits of GLP-1 medications. It promotes gut motility, which helps manage constipation, one of the most common GLP-1 side effects. It reduces cortisol, supports sleep quality, and can be done daily without creating recovery debt that interferes with resistance training.
A large-scale meta-analysis published in the British Journal of Sports Medicine found that walking at a brisk pace was associated with a 20% reduction in all-cause mortality, independent of other exercise. For patients who are new to exercise or managing GI side effects, walking is often the only activity that feels good every day.
Programming: Aim for 7,000 to 10,000 steps daily. Break it into two or three shorter walks if needed. A 15-minute walk after each meal improves blood sugar response and aids digestion.
5. Planks (and Core Work)
Core strength underpins every other movement on this list and supports the spinal health that rapid weight loss can challenge. As your body changes shape, your center of gravity shifts, and a strong core helps you adapt.
Why it matters for GLP-1 patients: Significant weight loss changes your body mechanics. Core stability prevents the lower back pain that sometimes accompanies rapid body composition changes. A strong core also improves performance in squats, push-ups, and rows, making your entire training program more effective.
How to do it:
- Start in a forearm plank position: elbows under shoulders, body in a straight line from head to heels
- Engage your core by bracing as if someone were about to poke your stomach
- Hold without letting your hips sag or pike up
- Progressions: Start with 3 holds of 15 to 20 seconds and build toward 3 holds of 45 to 60 seconds
Additional core exercises to incorporate: Dead bugs, bird dogs, and pallof presses are excellent complementary movements that train core stability through motion.
Putting It All Together: A Sample Weekly Plan
Here’s a realistic weekly exercise schedule for someone on GLP-1 treatment:
- Monday: Squats, push-ups, planks (30 minutes)
- Tuesday: Walk 30 to 45 minutes
- Wednesday: Rows, squats, core work (30 minutes)
- Thursday: Walk 30 to 45 minutes
- Friday: Push-ups, rows, planks (30 minutes)
- Saturday: Longer walk, hike, or active recreation
- Sunday: Rest or gentle stretching
This plan requires about three hours of structured activity per week. Adjust intensity and volume based on your fitness level and how you’re feeling relative to your injection schedule.
The Bottom Line
You don’t need a complicated program. You need five foundational movements done consistently: squats, push-ups, rows, walking, and core work. These exercises protect your muscle mass, support your metabolism, improve how you feel in your body, and ensure the weight you lose is the weight you want to lose, fat, not muscle.
Ready to start a weight loss program that gives you the full picture? Take Harbor Healthcare’s free assessment and get matched with a provider who supports both your treatment and your training.