Key instructions
Sit with an elastic band or towel between your hands and keep your back straight. Hold the elastic in front of your chest with your arms straight:
Exhale and pull the elbows back, tightening the abs (keep the shoulders relaxed).
Inhale and return to the starting position.
Repeat.
Sets x reps
2x10 repetitions
Rest between sets: 30 sec to 1 min 30
