Sarah Klein, the teenage skater’s lawyer, said in an interview that while Mr. Incantalupo would be incarcerated, young skaters remained at risk of being abused.

“The U.S. Figure Skating Association has a long and shameful history of placing money, medals and the reputation of coaches above the protection of child athletes,” Ms. Klein said.

U.S. Figure Skating said it was preparing a statement to issue after Friday’s sentencing.

Olympic officials have said they are dedicated to making sports safe and eradicating abuse. They have enacted a number of new regulations and created the U.S. Center for SafeSport to investigate complaints of misconduct and maintain a database of coaches who have assaulted or abused athletes. Ms. Klein said the skating association must take “immediate action” to fully update its list of banned coaches. She also called for an independent investigation of the skating association to determine if anyone knew that Mr. Incantalupo “was a danger to children and failed to intervene.”

Figure skating has been particularly shaken by sexual abuse scandals this year. In August, Richard Callaghan, a once prominent coach who instructed Tara Lipinski as she won an Olympic gold medal in 1998, was permanently barred from the sport after being accused of sexually abusing male skaters over a period of two decades. Mr. Callaghan has repeatedly denied any wrongdoing.

In January, John Coughlin, 33, a former United States pairs skating champion, died of suicide after being suspended by the U.S. Center for SafeSport, a nonprofit whose mission is to investigate charges of sexual misconduct. Shortly before he died, Mr. Coughlin told USA Today that accusations made against him were “unfounded.”

But two skaters have come forward since Mr. Coughlin’s death to accuse him of sexual assault — Ashley Wagner, a three-time United States champion, and Bridget Namiotka, a former skating partner of Mr. Coughlin’s.

In skating, underage boys and girls are particularly vulnerable. They often leave home to train at ice centers, are away from their parents and have historically spent considerable time alone with their coaches. To enhance athlete safety, U.S. Figure Skating now forbids coaches from living with or being alone with skaters who are minors — all once common occurrences.