The following videos provide strengthening exercises including isometric, water, weights , balance and posture. These exercises are designed to improve muscle strength and endurance.
Additional information about strengthening exercises can be found here.
Dave Hubbard's 90 second isometric workout
Water Exercises – Basic & Advanced Water Walking
Fitness with Steve senior workout
10 Daily Posture Exercises for Seniors Video
fitnes with steve online senior workout 2
Balance and Posture Chair Exercise Video for Seniors