Two water fitness classes designed for people suffering from arthritis have been opened by the Lawrence Parks and Recreation Department.

The Arthritis Foundation aquatic fitness class will be from 8 a.m. to 8:45 a.m. on Tuesdays and Thursdays, Jan. 2-18, in the Lawrence Indoor Aquatic Center, 4706 Overland Drive. It offers gentle ranges of motion and endurance in warm water while instructors watch. There is no pre-registration for the class.

The cost of the class is $2.50 for individuals 13-17 years old; $3.75 for those 18-59 and $2.50 for anyone 60 or older.

A class called Jivin’ Joints will be from 9:15 a.m. to 10 a.m. on Mondays, Wednesdays and Fridays, Jan. 3-19, also at the Indoor Aquatic Center. The program will help increase flexibility, strength and endurance. The cost to take the class is $16. You can enroll online at www.lprd.org or at any parks and recreation facility.