David
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primarycarepac.bsky.social
David
@primarycarepac.bsky.social
@PrimaryCarePAC from X
Husband, dad, exercise evangelist.
Power lifting
#Creatine
This study provides a powerful roadmap for healthier aging. It's not just about the number on the scale; it's about building the strength to live well.

Full study: Mesinovic J, et al. JCSM, 2025.

#HealthyAging #Geriatrics #StrengthTraining #Sarcopenia #FallPrevention
September 14, 2025 at 2:01 PM
The bottom line: Don't just encourage older adults to lose weight. Encourage them to build strength while they do it.

And for those wondering, the study showed that this high-intensity program was safe, with very few injuries (one back strain I think).
September 14, 2025 at 2:01 PM
Here's the kicker: BOTH groups lost the same amount of weight (~11 lbs).

But only the HiRIT group got measurably stronger and more mobile. They lost weight AND gained function. The other group just lost weight.
September 14, 2025 at 2:01 PM
Why is walking speed so important? It's often called the "sixth vital sign" in geriatrics.

Even a small increase is directly linked to a lower risk of falls, fewer hospitalizations, and a longer, healthier life. It’s a direct measure of resilience.
September 14, 2025 at 2:01 PM
The results were clear. While both groups lost weight, only the HEAVY LIFTING group saw a clinically meaningful improvement in their walking speed.

The HiRIT group got faster. The walking group didn't. 🚀

September 14, 2025 at 2:01 PM
The setup: A 12-week study with older adults with obesity on a weight-loss diet.
GROUP 🚶: Unsupervised, home-based walking.
GROUP 🏋️: Supervised, high-intensity resistance & impact training (HiRIT).
September 14, 2025 at 2:01 PM
📖 Full breakdown here:
open.substack.com/pu...

RT if you agree “muscle retention” must be part of every weight loss protocol.
September 6, 2025 at 2:19 PM
The solution is simple:
✅ Resistance training 2–3x/week
✅ 1.2–1.6 g/kg protein
✅ Sarcopenia screening

The wider availability of GLP-1s is a huge win.
But prescribers must protect muscle, not just chase weight loss.

September 6, 2025 at 2:18 PM
This is sarcopenic obesity:
🔻 Low muscle
🔺 High fat
⚠️ Higher risk of falls, fractures, diabetes, mortality

Already 10–20% of older adults live with it.
GLP-1 cycling could push that higher.

September 6, 2025 at 2:18 PM
When treatment stops?
Weight comes back.
But mostly as fat, not muscle.

Example: after liraglutide cessation
+6.3 kg fat
+2.5 kg lean
➡️ Net: weaker, not stronger.

Another study:
+2.52 kg fat
−0.12 kg lean
➡️ Sarcopenia risk climbs.

September 6, 2025 at 2:18 PM