Fig. 1From: Unsupervised progressive elastic band exercises for frail geriatric inpatients objectively monitored by new exercise-integrated technology—a feasibility trial with an embedded qualitative studyElastic band exercises divided into three levels of progression. Elastic band exercises with start (start) and end position (end) shown for the three levels (1–3, 3 = highest level) of progression for the upper extremity (UE) and for the lower extremity (LE)Back to article page