stand with dumbbells hanging down before your body, palms facing inward towards you.

How would the previous sentence be correctly capitalized?
Answer: Stand with dumbbells hanging down before your body, palms facing inward towards you.
the only thing keeping it from tipping over when i racked a heavy barbell were two 55-pound bumper plates resting on the back legs of the rack.

How would the previous sentence be correctly capitalized?
Answer: The only thing keeping it from tipping over when I racked a heavy barbell were two 55-pound bumper plates resting on the back legs of the rack.
this allows our guests to savour the flavour of greenland halibut poached in its natural element.

How would the previous sentence be correctly capitalized?
Answer: This allows our guests to savour the flavour of Greenland halibut poached in its natural element.
payouts will be sent to players according to the payment methods used to buy credits.

How would the previous sentence be correctly capitalized?
Answer: Payouts will be sent to players according to the payment methods used to buy credits.