Fig. 2From: How to improve gait and balance function in elderly individuals—compliance with principles of training Upper row, examples of partner exercises that incorporate elements from level 5 where the subjects must negotiate expected and unexpected external perturbations of posture. Note that the subject is out of balance and in the process of executing a step in the third picture. Middle and lower rows, individual level 5 exercise involving walking on an unstable surface. Note how the two individuals lose and recover balance. Furthermore, note the instructor’s attention and readiness level, and that external support is only provided if necessaryBack to article page