Pohybový aparát není jen sval. Proč šlachám škodí nárazový sport?
klouby kolagen Kolagin pohyb regenerace šlachy
Radka Jarkovská 2 min read
The musculoskeletal system isn't just muscle. Why do impact sports harm tendons?

Intensive weekend sports after several days without physical activity can put significant strain on tendons, ligaments, and joints. For long-term healthy movement, regularity, gradual increase in load, and sufficient regeneration are crucial.

Svaly, šlachy a chrupavka se nepřizpůsobují stejně rychle
chrupavka kloubní výživa klouby kolagen Kolagin regenerace šlachy vazy
Radka Jarkovská 2 min read
Muscles, tendons, and cartilage do not adapt at the same rate

Muscles often adapt more quickly during training than tendons, ligaments, and cartilage, which need more time to adapt.
Therefore, for long-term healthy movement, it makes sense to address not only strength but also technique, regeneration, and nutrition of connective tissues.

Přetížení nezačíná bolestí. Tělo si dlouho poradí samo - než vystaví účet
klouby kolagen regenerace šlachy
Radka Jarkovská 4 min read
Overload doesn't start with pain. The body copes on its own for a long time – until it presents the bill.

Knee or back pain is often not the beginning of the problem. Overload develops gradually and is related to the entire musculoskeletal system - hips, tendons, ligaments, cartilage, and regeneration.

Kolagen nestačí. Když se hýbeš špatně, koleno bude bolet dál
klouby kolagen koleno regenerace
Radka Jarkovská 6 min read
Collagen is not enough. If you move incorrectly, your knee will continue to hurt

Knee pain after 40 is often not just a knee problem. Find out why collagen alone is not enough and why movement, regeneration, and gradual loading are important.

Síla roste rychleji než šlachy. Proto se zranění často objeví ve chvíli, kdy si nejvíc věříš
klouby kolagen prevence bolesti regenerace šlachy
Radka Jarkovská 4 min read
Strength grows faster than tendons. That's why injuries often occur when you feel most confident.

You feel stronger, can handle heavier loads, and your body feels ready. However, tendons, ligaments, and insertions adapt slower than muscles. That's precisely why it's important to recognize the warning signs of overuse in time.

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.

Včera nic. Dnes koleno bolí. A při otočce to praskne.
klouby kolagen koleno regenerace šlachy
Radka Jarkovská 4 min read
Yesterday nothing. Today the knee hurts. And when I turn, it cracks.

Knee pain often doesn't appear immediately during training, but rather the next day, as the tissue gradually tires during exertion. The greatest risk then comes with changes in direction, turns, or braking, when the knee has to cope with a rapid combination of forces. It's not enough to have strong muscles—the readiness of ligaments, tendons, and other structures is also important.

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...