dera caramel,
you have to set a group of the people having 1-same level of mobality 2- probably same disease like parkinson etc.
all you could plan is based on the you assessment.
here are some tips
1- do the exercise with music
2- make it intresting
3- demonstrate the exercise and do it with the group so that they get visual feed bacl
complex exercise may include marching, dancing, throwing ball
I hope this would be of assisstance