Men's Fitness Over 40

Strength Training for Men Over 40: Building Muscle After Your Metabolism Slows

February 2026 10 min read Strong Republic Personal Training

Here's what nobody tells men at 40: the playbook that worked in your 20s doesn't work anymore. Your metabolism is slowing. Testosterone is declining. Recovery time has doubled. But here's the good news: strength training for men over 40 is the single most effective tool to fight every one of these changes.

What Happens to Men's Bodies After 40

Testosterone Declines 1-2% Per Year

After 30, testosterone drops ~1-2% annually. By 50, many men have 20-40% less than at 25. This directly impacts muscle-building ability. Strength training is one of the few natural ways to boost testosterone.

Metabolism Slows — Because You're Losing Muscle

Every pound of muscle burns ~6 calories/day at rest vs 2 for fat. Lose 10 pounds of muscle from 30-50 and your body burns 60 fewer calories daily — that's 6+ pounds of fat per year. Build muscle back, metabolism follows.

Recovery Takes Longer

24-hour recovery at 25 becomes 48-72 hours after 40. Smart programming with proper rest and stretch therapy accounts for this.

Joints Accumulate Wear

Decades of sports and daily life take a toll. The solution isn't to stop — it's to train smarter with joint-friendly variations.

1-2%

Testosterone decline per year after 30 — strength training naturally helps maintain levels

Sessions as low as $33

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Our certified trainers specialize in strength training for men over 40. Custom programs for your body and recovery needs.

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Best Exercises for Men Over 40

1. Squats (Goblet, Trap Bar, or Front)

Builds entire lower body. Stimulates more testosterone than any isolation exercise. Trap bar/goblet variations reduce spinal stress.

2. Deadlifts (Trap Bar or Romanian)

King of posterior chain development. Glutes, hamstrings, lower back, grip. Trap bar deads = all benefits, less spinal stress.

3. Bench Press or Push-Ups

Chest, shoulders, triceps. Dumbbells or push-ups if shoulders protest barbell bench — same activation, less joint stress.

4. Rows (Cable, Dumbbell, TRX)

Builds upper back to counteract desk posture. Strong lats improve posture and reduce shoulder impingement.

5. Farmer's Carries

Total body in one exercise. Grip strength research links to longevity. Core, shoulders, real-world carrying strength.

How Often Should Men Over 40 Train?

3-4 days/week is the sweet spot. 3 days allows full-body with 48hrs recovery. 4 days allows upper/lower split with more volume. The biggest mistake: training too often without recovery. Muscles grow during rest.

Get a Custom Training Plan

Every man's body is different at 40+. Our trainers match programs to your strength level, injuries, and goals.

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Nutrition Basics for Men Over 40

Protein matters more now. Aim for 0.7-1g per pound of bodyweight. After 40, you need more protein for the same muscle-building effect.

Don't slash calories. Aggressive restriction destroys muscle. Eat at a moderate deficit (300-500 cal) while keeping protein high.

Prioritize sleep. Growth hormone released during deep sleep is critical for recovery. Less than 7 hours = lower testosterone and impaired results.

Why Semi-Private Training Works for Men Over 40

You don't need a $100+/session private trainer. You need a certified coach watching your form in a small group of peers. At Strong Republic, sessions are 3-6 people at Palm Desert, La Quinta, and Palm Springs — as low as $33/session.

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"I'm 47 and hadn't lifted in 15 years. Strong Republic built me a program for my bad shoulder and knee. In 12 weeks I lost 18 pounds of fat. Best investment I've ever made."

— Jason R., Palm Desert Member

Frequently Asked Questions

Can men over 40 still build muscle?

Absolutely. With proper progressive training, adequate protein, and recovery, men over 40 build significant muscle. Many at Strong Republic build more than they had in their 30s.

How often should men over 40 strength train?

3-4 sessions/week is optimal — progressive overload with adequate recovery time.

Why is it harder to lose weight after 40?

Declining testosterone reduces muscle, lowering resting metabolic rate. Strength training reverses this by building metabolically active tissue.

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"I started at Strong Republic thinking I was too old to get fit. Within 3 months I lost 18 pounds and have more energy than I did in my 30s."

— Karen M., Palm Desert Member
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