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
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