Costochondritis is a painful condition of the chest wall. It is caused by inflammation in the joints between the cartilages that join the ribs to the breastbone (sternum). Although painful, it is not a serious condition.Usually it has no obvious cause and settles over time.ostochondritis is a painful condition of the chest wall. It is caused by inflammation in the joints between the cartilages that join the ribs to the breastbone (sternum). Although painful, it is not a serious condition. Usually it has no obvious cause and settles over time.
Author: Alice Gilman. A calendar year and an employer's pay periods do not always coincide precisely. Approximately every 11 years, an employer that pays employees on a biweekly basis will have an extra pay period. An employer that pays employees on a weekly basis will have an extra pay period every five or six years.
Quick Answer. There are 26 biweekly pay periods in a year. Bi-weekly means occurring every second week. Although most work weeks are only 5 days, pay periods operate on 7-day rotations. There are 52 weeks in a year, which divided by 2 equals 26.