Intraosseous access must be practiced. With Amy Arm, there is finally a training arm for intraosseous access into the humeral head. The inexpensive trainer is securely attached to a table with suction cups, the puncture pads are replaceable and significantly reduce the cost of consumables. The pads are designed in such a way that the resistance is lifelike and the loss of resistance can be clearly felt. The trainer is lightweight and insensitive, making it ideal for courses and mobile training.