Form & Function MD

Muscle isn’t just about how you look. It’s your most powerful metabolic organ — and most people are letting it waste away.

What strength training actually treats:

1. Blood sugar dysregulation — Muscle is your largest insulin-sensitive tissue. Every contraction pulls glucose out of circulation without insulin. This is the mechanism behind exercise reversing pre-diabetes.
2. Chronic inflammation — Contracting muscle releases myokines — IL-6, irisin — that systemically reduce inflammatory markers. Your muscles are a pharmacy.
3. Cognitive decline — Exercise drives BDNF production in the hippocampus. Low muscle mass correlates directly with accelerated cognitive aging.
4. Bone loss — Mechanical load through muscle contraction is the primary signal for bone remodeling. Resistance training does what calcium supplements can’t.
5. Falls and fractures — Falls are the leading cause of traumatic death over 65. Muscle mass and grip strength are the most modifiable fall-risk variables we have.
6. Early death — Grip strength is a stronger predictor of all-cause mortality than blood pressure or cholesterol. The data is unambiguous.

The prescription isn’t complicated. Progressive resistance training, adequate protein, consistency.

Evidence over ego. 🏋️

The supplements on my shelf — and why they earned their spot:

🔵 Creatine — Best-studied supplement for preserving muscle and strength after 50. Emerging data supports cognitive function too. 5g/day. No loading required.

🔵 Vitamin D3 + K2 — K2 is the traffic cop that directs calcium into bone, not arteries. Most people over 50 are deficient in both.

🔵 Magnesium — 300+ enzymatic reactions. Sleep, muscle function, blood sugar regulation. Diet alone rarely covers it.

🔵 Fish Oil (Omega-3) — Anti-inflammatory at the cellular level. Joint health, cardiovascular protection, brain longevity. High EPA/DHA concentration matters — not just total mg.

🔵 Whey Protein Isolate — Protein synthesis becomes less efficient after 50. Whey isolate hits the leucine threshold needed to trigger muscle building when whole food falls short.

💬 What are you taking that’s not on this list — and why?

👇 Comment “BRANDS” and I’ll tell you exactly what’s on my shelf.

48 million pickleball players. Wrist fractures are the #1 injury — and 91% happen in people over 50.

Here’s why it’s so predictable.

When you fall, your brain fires a protective reflex before you can think. Your hand shoots out automatically. Your distal radius — the end of your forearm bone at the wrist — absorbs your entire body weight in a fraction of a second. After 50, bone density has already declined. That combination is a fracture waiting to happen.

Two things that actually protect you:

→ Strengthen your wrist extensors now — before you fall
→ Learn a shoulder-roll fall technique. Ten minutes on a mat can rewire that reflex.

I’m a hand surgeon. I fix these fractures. I’d rather you never need me.

Source: Warrender et al., Journal of Orthopaedic & Sports Physical Therapy, April 2026 — ER visits from pickleball injuries up 88% since 2020.

The wellness industry sells novelty because novelty sells.

Cold plunges. NAD+ drips. Peptide stacks. Red light panels. IV infusions. All of it loud, expensive, and largely unproven at the population level.

I’ve spent 27 years operating on aging bodies. What I see on the table tells me the same thing the cohort data does — muscle and movement are the variables that determine what 70, 80, and 90 look like.

Here’s what actually adds years, based on decades of data across millions of people:

Lift heavy things. Resistance training preserves muscle, bone, and the metabolic capacity that decides what aging looks like. Combined with four other healthy behaviors, it added 14 years for women and 12 for men in a Harvard cohort of 123,000 adults.

Walk fast. Low cardiorespiratory fitness was a stronger mortality predictor than diabetes, smoking, or hypertension in a 122,000-adult JAMA study. Three to four hours weekly of brisk walking builds the engine that runs everything else.

Sleep at the same time every night. A UK Biobank study of 328,000 adults found sleep regularity predicted healthspan independently of total hours. Consistency matters more than duration. Poor sleep accelerates muscle loss and impairs tissue healing — I see the consequences of that in the OR.

And what doesn’t have the cohort data yet? Cold plunges, NAD+, supplement stacks, biohacks. Some evidence. None of the population-level proof. Spend your time and money on the boring list first.

The boring stack adds twelve years. The novel stuff hasn’t proven one.

Li et al, Circulation 2018 | Mandsager et al, JAMA Network Open 2018 | UK Biobank cohort, n=328,850

After 50 your body changes the way it processes protein. Most people don’t eat enough of it. And for women — there is a reason this becomes even more critical that almost nobody talks about. Here’s what low protein after 50 actually costs you.

1. Muscle loss accelerates
After 50 you lose 1-2% of muscle mass per year. Protein combined with resistance training is the most evidence-backed intervention to slow it. Nothing else comes close.

2. Joint protection decreases
Muscle is your joint’s shock absorber. Less muscle means more load on cartilage, faster arthritis progression, and earlier joint replacement. I see this every day in my OR.

3. Bone density drops
Adequate protein intake is directly linked to bone mineral density. Low protein accelerates osteoporosis. Fractures are not inevitable. This helps prevent them.

4. Tendon repair slows
Tendons need protein to heal. After 50 repair mechanisms slow down significantly. Low protein intake makes that worse and keeps you injured longer.

5. Falls become more dangerous
Sarcopenia — muscle loss from aging — is the leading modifiable risk factor for falls and fractures in adults over 60. Protein is your first line of defense.

6. For women — menopause changes everything
Estrogen protects muscle, bone, tendons, and joints simultaneously. When it drops at menopause all four systems deteriorate at once — faster than at any other point in a woman’s life. Most women are never told this. Adequate protein is one of the most evidence-backed ways to slow that decline across all four systems simultaneously. This is not optional after 50. It is essential.

The protocol:
→ 1 gram per pound of body weight daily
→ Spread across meals — your body can only use 30-40g per sitting
→ Animal protein has the highest bioavailability
→ Leucine-rich sources trigger muscle synthesis most effectively — eggs, chicken, fish, beef

Save this. Share it with every woman you know over 50.

orthopedicsurgeon womenshealth menopause longevity evidenceovrego formandfunctionmd over50health musculoskeletalhealth

💪 It preserves muscle.
After 40 muscle loss accelerates. Creatine directly supports muscle protein synthesis and slows that decline. Less muscle means less joint protection. This matters more than most people realize.
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🦴 It protects your joints.
More muscle mass around a joint means less load on the cartilage. Creatine helps you maintain that protective layer.
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🧠 It supports your brain.
Emerging evidence links creatine to cognitive function and neuroprotection. The benefits go well beyond the gym.
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✅ The most studied supplement in existence.
Decades of safety data. No credible evidence of kidney harm in healthy individuals — despite the myth.
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What I take: Creatine monohydrate. 5g daily. Mixed in water. Nothing fancy.
Every single day.
Evidence over ego.
📌 Save this. Share it with someone still afraid of creatine.

I’ve been an orthopaedic surgeon for 27 years.
Here’s what ultra-processed food is doing to your joints — long before you feel pain:
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🔥 Chronic inflammation
Ultra-processed diets are associated with elevated inflammatory markers like CRP and IL-6. That inflammatory signal targets synovium and accelerates cartilage breakdown.
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🦴 Cartilage glycation
Repeated blood sugar spikes → advanced glycation end-products (AGEs). These cross-link collagen, making cartilage stiffer, more brittle, and less resilient.
There’s no procedure that reverses that biology.
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⚖️ Omega imbalance
The target ratio is ~4:1. Modern processed diets push that toward 15–20:1. That imbalance fuels pro-inflammatory eicosanoids — affecting tendon health, healing, and pain.
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💪 Muscle loss (earlier than you think)
Processed diets + insulin resistance → impaired muscle protein synthesis. Less muscle = less joint protection, worse outcomes, higher injury risk.
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🦠 Gut → joint axis
Certain emulsifiers and additives disrupt the intestinal barrier. Result: low-grade endotoxemia → systemic inflammation → joint symptoms.
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Every processed meal is a deposit into an inflammatory account.
You don’t notice the balance — until you do.
Evidence over ego.
📌 Save this. Share it with someone who thinks joint pain is just aging.

Your cardiologist and your orthopaedic surgeon are looking at the same problem from different angles. Here’s what they’re both seeing.
The connections most people never make:
🔴 Inflammation → Drives atherosclerosis AND accelerates cartilage breakdown. Same fire, different rooms.
🔴 Grip strength → One of the strongest predictors of cardiovascular mortality AND fracture risk. A simple measure of how long—and how well—you’ll live.
🔴 Sedentary lifestyle → Weakens your heart AND accelerates bone and cartilage loss. Stillness is expensive.
🔴 Vitamin D deficiency → Associated with impaired cardiac and bone health. One deficiency, two systems affected quietly.
🔴 Poor sleep → Elevates cardiovascular risk AND impairs musculoskeletal tissue repair. Your body doesn’t choose which system to neglect.
🔴 Smoking → Hardens your arteries AND reduces bone density and tendon healing. No system is spared.
🔴 Chronic stress → Drives hypertension AND breaks down collagen throughout your body. Your tendons and your heart are both paying for your cortisol load.
✅ Exercise → Improves cardiac output AND builds bone density through mechanical loading. One investment, every system benefits.
The body doesn’t have departments.
What breaks your heart is breaking your bones. What protects one protects the other.
Move. Sleep. Eat real food. Manage stress.
This isn’t cardiology. This isn’t orthopaedics.
This is biology.
Evidence Over Ego.