When the port pylon went, it put excess stress on the starboard side.
Some professional dancers do it to maintain flexibility and stay fit without adding excess stress to their bodies.
Not getting enough exercise, and feeling depressed or having excess stress are other risk factors.
"With one gone and the rest taking up excess stress, I doubt if they can anchor us for long."
They also do not teach proper techniques, which puts excess stresses on young bodies.
Other health risks, including food poisoning and excess stress, can also spoil holiday fun.
When the foot is moved past its range of motion, the excess stress puts a strain on the ligaments.
The other main cause of erectile dysfunction is psychological factors such as excess stress or depression.
It is the excess stress which causes the problems.
In general, the more ready they were - with few distractions or excess stress in other areas of life - the better they did.