Text: with a sound exercise program you are able to prevent back pains and back related problems.

Correct capitalization: With a sound exercise program you are able to prevent back pains and back related problems.

Text: at the top, they emerge into the glare of the world's cameras wearing state-of-the-art sunglasses supplied by an american optics company.

Correct capitalization: At the top, they emerge into the glare of the world's cameras wearing state-of-the-art sunglasses supplied by an American optics company.

Text: deception is use by good poker players who know every trick and how can they apply these tricks depending on the opponents they are facing.

Correct capitalization: Deception is use by good poker players who know every trick and how can they apply these tricks depending on the opponents they are facing.

Text: this subject was of the same kind as that of his own shield, i.e. three lions. this - although symbolic - way of recognition of the emperor could not be cancelled, so instead richard showed his independence by a second coronation in england in april 1194.

Correct capitalization:
This subject was of the same kind as that of his own shield, i.e. three lions. This - although symbolic - way of recognition of the emperor could not be cancelled, so instead Richard showed his independence by a second coronation in England in April 1194.