Your genetics, explained.
Straight, sourced answers on muscle insertions, bone structure, leverage and ancestral nutrition. No trends, no hype. Just the truth about your physique.
Muscle insertions: what they are and why they shape your physique
A plain explanation of muscle insertions, why they decide how full or peaked a muscle looks, whether you can change them, and how to train for the ones you have.
Read → GeneticsShort vs long triceps: how to tell, and how to train each
A simple mirror test to know if you have short or long triceps, what the long head has to do with arm size, and how to train each insertion for bigger arms.
Read → GeneticsShort or long biceps: how to read your insertion (high vs low)
The two-finger gap test to know if you have short (high) or long (low) biceps insertions, what it means for peak vs fullness, and how to train for your shape.
Read → GeneticsShort torso or long legs? How to read your proportions
A simple sitting test and ratio check to know if you have a short torso, long legs, or the opposite, what it changes for your look and your lifts, and why it never limits your potential.
Read → Genetics6 markers of good genetics for building muscle
The 6 markers of good genetics for building muscle: clavicle width, muscle insertions, joint size, belly length, ribcage and shoulder-to-waist ratio, plus self-checks.
Read → GeneticsCan you change your muscle insertions?
Can you change muscle insertions? No, they are genetic and fixed. Here is what training, stretching and supplements actually do, and how to train your real shape.
Read → GeneticsHow to know your genetic potential for muscle
Genetics is not one thing. Some of it is fixed (your frame and insertions) and a lot of it is modifiable (how fast you build, how lean you stay). Here is how to tell them apart and estimate the fixed part honestly.
Read → GeneticsSkinny wrists: do they mean bad genetics?
Do skinny wrists mean bad genetics? They signal a lighter frame, not a low ceiling, and thin joints actually make your muscle look bigger and more defined.
Read → GeneticsHigh vs low pec insertion: the chest gap explained
How to tell if you have high or low pec insertions, what the midline chest gap really is, and how to train the chest you were given.
Read → GeneticsHigh vs low lat insertion: why some backs look wider
How to tell if you have high or low lat insertions, what it means for your V-taper, and how to train for the widest back your frame allows.
Read → GeneticsHigh or low calf insertion: why some calves grow so easily
How to tell if you have high or low calf insertions, why high calves are the stubborn genetics, and how to train them anyway.
Read → GeneticsNarrow or wide clavicles: how to read your frame
How to tell if you have narrow or wide clavicles, why they decide most of your frame, and what you can and cannot change.
Read → GeneticsWhat is a V-taper, and how to know yours (shoulder-to-waist ratio)
The V-taper explained, how to measure your shoulder-to-waist ratio, the golden ratio of 1.618, and how to build the taper your frame allows.
Read → GeneticsNarrow or wide ribcage: how your chest frame is built
How to tell if you have a narrow or wide ribcage, why it changes how big your upper body looks, and what you can and cannot change.
Read → GeneticsNarrow or wide pelvis: how your hips shape your waist and taper
How to tell if you have a narrow or wide pelvis, why it sets your waist and V-taper, and how to work with the hips you have.
Read → GeneticsShort or long femurs: how thigh length changes your squat and look
How to tell if you have short or long femurs, why it makes the squat easier or harder, and how to pick the lifts and stance that fit your leverage.
Read → GeneticsShort or long forearms: wrist size, insertions and why some forearms pop
How to tell if you have forearm genetics for size, what wrist circumference says about your frame, and how to train forearms that lag.
Read → GeneticsFour-pack or six-pack? Why your abs look the way they do
Why some people have a six-pack and others a four or eight, why abs can look uneven, and what you can and cannot change about ab shape.
Read → NutritionSeed oils, sugar and ultra-processed food: what they actually do to your body
Beyond weight gain: how ultra-processed food, industrial seed oils and constant sugar affect your hormones, energy, mood and how you feel in your own skin, and why butter was blamed by mistake.
Read → NutritionWhy butter is good for you (and how it got blamed)
What butter actually contains, how it was wrongly demonized in the 20th century, why grass-fed butter is a quality fat, and how Phyziq scores it.
Read → NutritionIs sugar bad? Refined sugar vs the sugar in fruit and honey
Why refined sugar in processed food is the real problem, why the sugar in whole fruit and raw honey is different, and how Phyziq scores ancestral sugar fairly.
Read → NutritionHow the Phyziq Food Score works (the method, explained)
The six axes behind the Phyziq Food Score, the F to S scale, and why it scores what a food does to your body instead of its calories.
Read → NutritionWhat is the primal diet? A clear beginner's guide
A plain-English guide to the primal diet: what to eat, what to limit, why it works for hormones and satiety, and how to start without rules or restriction.
Read → NutritionYuka says butter is bad. Here is why it is wrong.
Yuka and Nutri-Score penalize saturated fat, so they rate butter worse than diet soda. Here is why that scoring is backwards and what a better score looks like.
Read → NutritionThe best foods for testosterone (and what kills it)
The best foods for testosterone are nutrient-dense animal foods that supply cholesterol, zinc, vitamin D and saturated fat, and the seed oils, sugar and under-eating that suppress it.
Read → NutritionAre seed oils bad for you? The honest answer
Are seed oils bad for you? What soybean, canola, sunflower and corn oils are, why their omega-6 fats oxidize and feed inflammation, and what to cook with instead.
Read → NutritionLiver: the most nutrient-dense food on earth
Why beef liver is the most nutrient-dense food you can eat, the toxin myth explained, how much liver per week is safe, and how Phyziq scores it.
Read → ComparisonBest body scan and physique analysis apps in 2026
An honest look at AI body scan apps in 2026, what most of them do, what is rare, and how to choose based on whether you want a generic plan or your genetics decoded.
Read → ComparisonBest app for muscle insertions and genetics (2026)
The best app for muscle insertions in 2026. Most body scan apps score muscle development, not your bone structure or insertion points. Here is the real map.
Read → ComparisonPhyziq vs PhysiqMax, TrueForm and Thelo: which physique app?
An honest comparison of Phyziq against PhysiqMax, TrueForm AI and Thelo: what they share, where Phyziq is different, and who each one is for.
Read → ComparisonBest app for primal and ancestral nutrition (2026)
Looking for an app that scores food the primal way? Most food scanners penalize animal fat. Here is the honest landscape and the one app built on ancestral logic.
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