When stress levels rise, exercise often becomes one of the first things people sacrifice. Ironically, this is exactly when your body needs movement most. The relationship between exercise and stress management is well-established, but not all exercise provides the same benefits. Understanding how different types of training affect your nervous system can help you design an exercise program that maximizes stress reduction.
At Performance Health, we work with patients across the activity spectrum—from sedentary individuals starting their fitness journey to competitive athletes. One consistent finding: those who incorporate both aerobic exercise and resistance training consistently report better stress management, improved mood, and greater resilience. Let’s explore why both modalities are important.
The Stress-Reducing Power of Aerobic Exercise
Aerobic exercise—sustained, rhythmic activity that elevates heart rate—provides some of the most reliable stress-reduction benefits of any intervention we have.
Immediate Stress Relief
During and immediately after aerobic exercise, your body releases endorphins—neurotransmitters that create feelings of well-being and can produce a mild euphoric state often called ‘runner’s high.’ But the benefits extend beyond endorphins. Exercise also increases production of endocannabinoids, compounds similar to cannabis that reduce anxiety and create feelings of calm.
Moderate aerobic exercise also activates your parasympathetic nervous system—your rest and recovery system—in the hours following activity. While exercise itself is a stressor, the recovery period afterward creates a rebound effect where your nervous system shifts into deeper recovery than it would have without the exercise stimulus.
Improved Heart Rate Variability
As we discussed in our previous article on HRV, heart rate variability reflects your autonomic nervous system balance and stress recovery capacity. Regular aerobic exercise is one of the most effective ways to improve HRV over time. This indicates your nervous system is becoming more flexible and resilient—better able to activate for stress and then efficiently return to a recovered state.
Better Sleep Quality
Regular aerobic exercise improves both sleep quality and duration. Better sleep, in turn, improves stress tolerance and emotional regulation. Exercise helps regulate your circadian rhythm, increases time spent in deep sleep, and reduces time to fall asleep. However, timing matters—intense aerobic exercise close to bedtime can be stimulating, so aim to complete vigorous cardio at least 3-4 hours before sleep.
Reduced Anxiety and Depression
Multiple systematic reviews and meta-analyses demonstrate that regular aerobic exercise reduces symptoms of both anxiety and depression. The effects are comparable to medication for mild to moderate depression in many cases. Exercise increases levels of serotonin, dopamine, and norepinephrine—neurotransmitters critical for mood regulation.
Enhanced Cognitive Function
Aerobic exercise increases blood flow to the brain, promotes neurogenesis (growth of new brain cells), and enhances cognitive function. This is particularly relevant for stress management because chronic stress impairs memory, concentration, and decision-making. Regular aerobic activity helps counteract these cognitive effects of stress.
How Much Is Needed?
The American Heart Association recommends at least 150 minutes of moderate-intensity aerobic exercise per week, or 75 minutes of vigorous-intensity exercise. For stress management specifically, most benefits emerge with 30-60 minutes of moderate aerobic activity, 3-5 days per week. More isn’t always better—excessive aerobic exercise without adequate recovery can increase stress rather than reduce it.
Moderate intensity means you’re breathing harder but can still hold a conversation. Examples include brisk walking, recreational cycling, swimming, or light jogging. Vigorous intensity means you can only speak in short phrases—running, intense cycling, or swimming laps at pace.
The Unique Benefits of Resistance Training
While aerobic exercise gets most of the attention for stress management, resistance training—lifting weights, bodyweight exercises, resistance bands—provides distinct and complementary benefits.
Anxiety Reduction
Research demonstrates that resistance training significantly reduces anxiety symptoms, with effects comparable to aerobic exercise. The mechanisms differ slightly—resistance training particularly affects the GABAergic system (GABA is your primary inhibitory neurotransmitter that calms neural activity), while also improving self-efficacy and body image, which contribute to reduced anxiety.
Improved Body Composition and Metabolic Health
Chronic stress promotes fat storage, particularly visceral fat around the abdomen, through elevated cortisol. Resistance training builds lean muscle mass, increases metabolic rate, and improves insulin sensitivity—all of which help counteract the metabolic dysfunction created by chronic stress. Better body composition also improves self-image and confidence, which affect how we perceive and handle stress.
Resilience and Self-Efficacy
Resistance training builds more than muscle—it builds mental resilience. Progressively challenging yourself with heavier weights or more difficult exercises and succeeding creates a sense of mastery and accomplishment. This translates to other life domains: if you can handle the stress of a heavy deadlift or challenging workout, you’re better equipped to handle other stressors.
The psychological concept of self-efficacy—belief in your ability to succeed in specific situations—is powerfully developed through resistance training. Higher self-efficacy is associated with lower perceived stress and better stress coping strategies.
Postural Improvements
As we’ve discussed in previous articles, chronic stress creates sustained muscle tension and contributes to postural dysfunction like upper crossed syndrome and forward head posture. Well-designed resistance training strengthens the muscles that support proper posture—deep cervical flexors, lower trapezius, serratus anterior, core stabilizers—while building awareness of body position and movement patterns.
Better posture reduces the biomechanical stress on your neck and shoulders, which in turn reduces pain and muscle tension—breaking one aspect of the stress-tension cycle.
Better Sleep
Similar to aerobic exercise, resistance training improves sleep quality. Some research suggests it may be particularly beneficial for increasing deep sleep stages. Good sleep is foundational for stress management—it’s when your body repairs tissue, consolidates memories, and regulates stress hormones.
How Much Is Needed?
For general health and stress management, aim for 2-3 resistance training sessions per week, working all major muscle groups. Each session should include 6-10 exercises covering upper body, lower body, and core. You don’t need to train to muscular failure for stress-reduction benefits—moderate intensity where you could complete 2-3 more repetitions at the end of each set is sufficient.
Sessions typically last 30-60 minutes. Beginners should focus on learning proper movement patterns with lighter weights before progressing intensity. The key is consistency and progressive overload—gradually increasing weight, repetitions, or exercise difficulty over time.
Why You Need Both: Complementary Benefits
The most effective exercise program for stress management includes both aerobic and resistance training because they provide overlapping but distinct benefits:
Aerobic exercise excels at promoting parasympathetic activation, improving cardiovascular health, enhancing HRV, and creating immediate mood elevation through endorphins and endocannabinoids.
Resistance training excels at building resilience and self-efficacy, improving body composition, supporting postural health, and enhancing functional capacity for daily activities.
Both modalities improve sleep, reduce anxiety and depression, and enhance cognitive function. Research comparing aerobic-only, resistance-only, and combined programs consistently shows that combined training produces the best outcomes for both physical and mental health.
Practical Implementation: Building a Balanced Program
Here’s a practical framework for incorporating both modalities:
Weekly Schedule Example
• Monday: Resistance training (30-45 minutes)
• Tuesday: Moderate aerobic exercise (30-40 minutes)
• Wednesday: Active recovery (light walk, yoga, or rest)
• Thursday: Resistance training (30-45 minutes)
• Friday: Moderate-to-vigorous aerobic exercise (30-45 minutes)
• Saturday: Resistance training or recreational activity
• Sunday: Rest or light activity
This provides 3 resistance sessions and 2-3 aerobic sessions weekly, meeting guidelines for both modalities while allowing adequate recovery.
Starting From Scratch
If you’re currently sedentary or returning from a long break, start conservatively:
Begin with 10-15 minute walks 3-4 days per week. Add 2 resistance training sessions using bodyweight exercises or light dumbbells, focusing on learning movement patterns. Gradually increase duration and intensity over 4-8 weeks. This progressive approach minimizes injury risk and allows your body to adapt.
Exercise Selection
For aerobic exercise, choose activities you enjoy—adherence matters more than the specific activity. Walking, jogging, cycling, swimming, rowing, dancing, or sports all work. Variety can prevent boredom and work different muscle groups.
For resistance training, compound exercises that work multiple muscle groups simultaneously provide the most benefit: squats, deadlifts, rows, chest press, shoulder press, and planks form the foundation. These can be performed with barbells, dumbbells, resistance bands, or bodyweight depending on your access and experience.
Exercise Precautions and Considerations
While exercise is generally beneficial for stress, some important caveats:
Don’t Overtrain
Excessive training without adequate recovery becomes a stressor itself, elevating cortisol and suppressing immune function. If your HRV is consistently declining, you’re experiencing persistent fatigue, or your performance is decreasing, you may be overtraining. More exercise isn’t always better.
Prioritize Recovery
Rest days and lighter activity days are essential. This is when your body adapts to the training stimulus, building strength and cardiovascular capacity. Recovery includes adequate sleep, proper nutrition, and managing other life stressors.
Address Pain or Dysfunction
If you have significant musculoskeletal pain or dysfunction, address it before pushing into aggressive training. Exercising through pain or with poor movement patterns can create injury and more stress. This is where chiropractic care, physical therapy, or other rehabilitative approaches can help prepare your body for optimal training.
Medication Considerations
Certain medications can affect exercise tolerance or heart rate response. If you’re on beta-blockers, blood pressure medication, or other cardiovascular drugs, consult your physician about appropriate exercise intensity targets.
Move to Manage Stress
Exercise is one of the most powerful stress-management tools available—it’s free, requires no special equipment (for many modalities), and provides benefits that extend far beyond stress reduction to virtually every aspect of health. The key is incorporating both aerobic and resistance training to maximize the complementary benefits each provides.
At Performance Health, we help patients integrate appropriate exercise into their treatment plans, addressing any musculoskeletal barriers to training and providing guidance on program design for individual circumstances and goals.
If chronic pain, postural dysfunction, or injury history is preventing you from exercising effectively, or if you’d like guidance on developing an appropriate training program for stress management, contact us today. Moving your body consistently is foundational to managing stress—let’s make sure you can do it safely and effectively.