What is resisted triceps extension?

Resisted triceps extension

1. Tie a knot in the middle of an exercise band. To hold the band in place, put the band over the top of a door, and then shut the door on the band. The knot should be on the other side of the door.
2. Stand so that you face the place where you secured the band. Hold one end of the band in each hand, with your hands at shoulder level.
3. Keep your elbows tucked in at your sides.
4. Slowly pull the bands down so your arms are straight at your sides. Make sure you keep your elbows close to your body as you pull down.
5. Slowly return to your starting position.
6. Repeat 8 to 12 times.