Stamina is your ability to keep going without feeling like you need to stop every few minutes. After 65, that can change as activity levels drop and both cardiovascular fitness and muscular endurance start to slide. Building some of that capacity back can make exercise feel easier and give you more energy for the rest of the day.
Improving stamina takes a mix of steady movement and exercises that make your muscles work repeatedly. You want enough challenge to raise your breathing rate while still being able to recover and come back for another round. Over time, that repeated exposure helps your heart and muscles handle more work before fatigue sets in.
This routine gives you both sides of that equation. You’ll move through strength-based intervals and faster-paced bodyweight work, then use incline walking to build longer-duration endurance. Start at a pace you can control and build the workload gradually as your stamina comes back.
Bodyweight Squat Intervals
Squat intervals keep your legs working continuously as your heart rate climbs. That combination builds muscular endurance while increasing the session’s overall effort.
Muscles Trained: Quads, glutes, hamstrings, core.
How to Do It
- Stand with your feet about shoulder-width apart.
- Sit your hips back.
- Bend your knees and lower into a squat.
- Descend to at least parallel if comfortable.
- Press through your feet to stand.
- Continue at a steady pace for the full interval.
Recommended Sets and Reps: Perform 3 to 4 rounds of 30 to 45 seconds. Rest for 30 to 45 seconds.
Best Variations: Supported squat interval, box squat interval, slower squat interval.
Form Tip: Use a pace you can hold without rushing your reps.
RELATED: 5 Daily Exercises Men Over 65 Need to Keep Their Legs Strong
Jumping Jacks
Jumping jacks quickly raise your breathing rate because your upper and lower body move together. Short rounds are enough to challenge your conditioning, and you can easily switch to a step-out version if repeated jumping feels too aggressive.
Muscles Trained: Calves, quads, glutes, shoulders, core.
How to Do It
- Stand tall with your feet together.
- Jump your feet apart.
- Raise your arms overhead.
- Jump your feet back together.
- Lower your arms.
- Continue at a controlled pace.
Recommended Sets and Reps: Perform 3 to 5 rounds of 20 to 30 seconds. Rest for 30 seconds.
Best Variations: Step-out jumping jack, low-impact jack, shorter interval.
Form Tip: Choose the low-impact version if your knees or ankles don’t like jumping.
Incline Mountain Climber
This move brings your core into the conditioning work. Your arms support you while your knees keep driving forward, so fatigue builds beyond just your legs. The incline makes the exercise easier to manage than on the floor.
Muscles Trained: Abs, hip flexors, shoulders, chest.
How to Do It
- Place both hands on a sturdy counter or bench.
- Step your feet backward into an incline plank.
- Brace your abs.
- Drive your right knee toward your chest.
- Return your foot to the floor.
- Switch sides and continue alternating.
Recommended Sets and Reps: Perform 2 to 4 rounds of 20 to 40 seconds. Rest for 30 to 45 seconds.
Best Variations: Slower mountain climber, alternating knee drive, higher incline mountain climber.
Form Tip: Keep your torso steady as your knees move.
RELATED: 5 Morning Exercises Women Over 60 Need to Stay Strong
Incline Walking
Stamina also improves when you spend more time working at a steady effort. Adding an incline makes walking more demanding without forcing you into a run, so you can build longer-duration endurance while keeping the pace manageable.
Muscles Trained: Glutes, calves, quads, hamstrings.
How to Do It
- Begin walking at an easy pace.
- Add a small incline.
- Gradually increase your speed.
- Settle into a pace you can maintain.
- Keep your stride comfortable.
- Reduce the incline near the end to cool down.
Recommended Sets and Reps: Walk for 10 to 20 minutes. Rest as needed.
Best Variations: Outdoor hill walking, treadmill incline intervals, shorter incline bouts.
Form Tip: Use an incline that challenges you without forcing you to hold onto the treadmill.
Alternating Reverse Lunge
Reverse lunges test whether your legs can keep producing force as fatigue builds. Alternating sides also keeps the movement flowing, making it a good bridge between strength training and conditioning.
Muscles Trained: Quads, glutes, hamstrings, calves.
How to Do It
- Stand with your feet about hip-width apart.
- Step your right foot backward.
- Bend both knees into a comfortable lunge.
- Press through your front foot to stand.
- Switch sides.
- Continue alternating for the full set.
Recommended Sets and Reps: Perform 2 to 3 sets of 8 to 12 reps per side. Rest for 45 to 60 seconds.
Best Variations: Supported reverse lunge, shorter-range reverse lunge, alternating split squat.
Form Tip: Keep the pace steady enough that every rep stays controlled.
RELATED: 5 Kitchen-Counter Exercises That Trim Belly Overhang Faster Than Gym Classes After 55
Build Your Stamina Back After 65
Stamina improves when you give your body regular chances to work a little longer or a little harder than it did before. Use this routine two to four days per week and adjust the intervals to match your current fitness.
- Build duration gradually: Add a few seconds to your intervals once the current workload feels comfortable.
- Keep easy days easy: You don’t need every session to leave you exhausted.
- Use low-impact options: Step-out jacks and supported lunges can still build endurance.
- Keep walking in the week: Longer, easier sessions pair well with the faster intervals.
- Rest enough between rounds: Recover just enough to repeat the next set with good form.
- Track how long you can work: Longer intervals and shorter recovery periods are useful signs that your stamina is improving.
References
- Milanović, Zoran et al. “Age-related decrease in physical activity and functional fitness among elderly men and women.” Clinical Interventions in Aging vol. 8 (2013): 549-56. doi:10.2147/CIA.S44112
- Zoila, Federico et al. “Enhancing active aging through exercise: a comparative study of high-intensity interval training and continuous aerobic training benefits.” Frontiers in Aging vol. 6, 1493827. 2 Jun. 2025, doi:10.3389/fragi.2025.1493827
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