This past Monday it was proved that voltage therapy can help paralyzed individuals regain movement and function in their legs.

Nearly two and a half years ago Calven Goza was in a severe car crash involving a drunk driver that left him paralyzed from the chest down. But after visiting the University of Louisville Monday, where researchers used Goza as the first study subject of a voltage therapy that helps individuals who are paralyzed from the waist down to regain use of their legs, things started looking brighter for Goza and paralysis patients everywhere.

The scientists at the University of Louisville inserted electrodes into Goza’s spine, and wired his leg with sensors. They then placed a ring on his toe that is connected with a string, and asked that Goza pull that string on his toe.

Throughout the testing Goza’s toe bent the string, and after some adjusting of the voltage used on Goza, he was able to bend his knee. Eventually he was able to repeatedly lift his leg off the table.

Unfortunately, Goza’s progress during the testing does not fully guarantee that he will ever be able to walk; over the five-year course of this study none of the other four patients have been able to walk again. However, other results were seen:

Some participants of the voltage therapy study have reported better bladder, and blood pressure control. And some have even reported that they were able to have sex again after the therapy.

According to CNN, further research will be conducted on voltage therapy in 2015, specifically on how it affects the cardiovascular system.