Resisted elbow flexion in sitting ("Biceps curl" Elbow flexion strengthening, with band, sitting)

Sit upright in a chair facing a table.
Place your weaker arm onto the table with your forearm outstretched.
Hold the ends of a resistance band in each hand.
Keeping your body still and your stronger arm on the table, bend your weaker elbow, bringing your hand to your shoulder.
Control the movement as you slowly lower your forearm back down to the table.