a to cały kontekst:
When forces are greater than normal, eventually a lifting action may force
the centre disc out through the vibrous outer ring. This is known as a
prolapsed disc and is mistakenly called a slipped disc.
Some of the contenders for this include:
• carrying or holding a heavy load and not allowing enough time for the discs
to recover from exposure to high forces.
• repetitious actions with relatively light loads.
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