Stojíš rovně. Běháš pravidelně. Ale tvoje klouby to možná odnáší.
biomechanika klouby kolagen koleno
Radka Jarkovská 3 min read
You stand straight. You run regularly. But your joints might be taking a hit.

Standing straight doesn't necessarily mean standing well. And running itself doesn't have to destroy your knees. The problem begins when the body loses active control — both when standing and upon impact.

Z kopce bolí víc než do kopce. A bolest neznamená připravenost.
biomechanika kolagen koleno šlachy
Radka Jarkovská 2 min read
Downhill hurts more than uphill. And pain does not mean readiness.

The article explains why walking downhill is more demanding for the knee than walking uphill and why the disappearance of pain does not yet mean true readiness for exertion. Muscles regenerate faster than tendons and ligaments, and that is precisely why problems often return.

Kolagen a hypermobilita: proč tě bolí i ve stoje, při sezení i při chůzi
biomechanika hypermobilita klouby kolagen
Radka Jarkovská 2 min read
Collagen and hypermobility: why you hurt when standing, sitting, and walking

Pain in hypermobility often does not arise during sports, but during completely normal situations – when standing, sitting, or walking. The problem is not just in the movement itself, but in who controls it in the body. When passive structures take over control instead of muscles, long-term overload of collagenous tissues begins.

Kolagen, pohyb a hypermobilita: proč rozhoduje stabilita, ne mobilita
biomechanika klouby kolagen prevence bolesti regenerace šlachy
Radka Jarkovská 2 min read
Collagen, Movement, and Hypermobility: Why Stability, Not Mobility, Is Key

Collagen only works with proper loading. With hypermobility, control of movement is key, not range of motion or pain itself.

Kolagen pod tlakem: únava, bolest a hypermobilita (pohled z praxe rehabilitační lékařky)
biomechanika kolagen prevence bolesti regenerace
Radka Jarkovská 3 min read
Collagen Under Pressure: Fatigue, Pain, and Hypermobility (Insights from a Rehabilitation Doctor's Practice)

Pain, fatigue, and hypermobility share a common denominator – collagen has its mechanical limit. And if we don't respect it, the problem will only be postponed.

Kolagen a stabilita kloubů: proč nestačí mít „víc kolagenu“
biomechanika kolagen prevence bolesti regenerace
Radka Jarkovská 4 min read
Collagen and joint stability: why "more collagen" isn't enough

At first glance, it sounds simple: if you have joint problems, you supplement with collagen. But the reality is a...

Kolagen a hypermobilita: proč pružnost bolí víc, než si myslíš
biomechanika kolagen prevence bolesti regenerace
Radka Jarkovská 4 min read
Collagen and Hypermobility: Why Flexibility Hurts More Than You Think

At first glance, hypermobility sounds like an advantage. A greater range of motion, lightness in the body, the ability to...

Kolagen a bolest: proč sval zesílí rychle, ale šlacha potřebuje týdny
biomechanika kolagen prevence bolesti regenerace
Radka Jarkovská 3 min read
Collagen and pain: why muscle gets stronger quickly, but tendons take weeks

Collagen in the body has its mechanical limit. Muscle can grow stronger relatively quickly. Collagen tissue – tendons, ligaments or...

Co drží koleno pohromadě – a proč sval sílí rychleji než šlacha
biomechanika klouby kolagen šlachy
Radka Jarkovská 2 min read
What holds the knee together – and why muscle gets stronger faster than tendon

What holds the knee together and why muscle strengthens faster than tendon The knee is stable mainly due to connective...

Proč koleno po čtyřicítce bolí, proč většina kolagenů nefunguje strukturálně – a proč týden opravdu nestačí
biomechanika kolagen prevence bolesti regenerace
Radka Jarkovská 3 min read
Why your knee hurts after 40, why most collagen doesn't work structurally - and why a week really isn't enough

Knee pain after forty is not a failure of the body. It's a biological reality. Up to the age of...