Stabilization exercises combined with neuromuscular electrical stimulation for patients with chronic low back pain: a randomized controlled trial

. 2018 Oct 18;23(6):506–515. doi: 10.1016/j.bjpt.2018.10.003

Side support exercises

Exercise	Criterion for progression
Side support with knees flexed	Able to complete 30 reps × 8 s hold on each side. Able to complete Abdominal Bracing in supine (10 reps × 8 s hold)
Side support with knees flexed and bracing	Able to complete 30 reps × 8 s hold on each side
Side support with knees extended	Able to complete 30 reps × 8 s hold on each side
Side support with knees extended and bracing	Able to complete 30 reps × 8 s hold on each side
Advanced Side Bridge (roll from one elbow to the other while abdominally bracing)	Continue to add reps until able to complete 30 reps × 8 s