1 This helps keep your upper back straight while having a slight arch in your lower back. 2  Slowly lift by straightening your hips and knees (not your back). Keep your back straight, and don't twist as you lift.  Hold the load as close to your body as possible, at the level of your belly button.
Definition of birthday. 1  1a : the day of a person's birthb : a day of origin. 2  2 : an anniversary of a birth her 21st birthday.
A personal holiday is the celebration of a significant event in your life. Your birthday is the most common personal holiday, and is often celebrated with friends and family, using standard ceremonies which in North America include a birthday cake with candles and the receiving of gifts.