Maya's first steps come just seven weeks after she underwent selective dorsal rhizotomy, a surgical procedure on the lower spinal cord.
According to ABC, Maya was born at 26 weeks, weighing only 1 pound, 10 ounces.
With tear-jerking levels of excitement and happiness, she then turns to her brother and says, "Look, I'm walking!"More news: Cormier and Miocic face off at ceremonial weigh-in ahead of UFC 226
The girl was diagnosed with cerebral palsy when she was a year old. "We are beyond proud of our Mighty Girl". Her mother, Ann Tisdale, noticed that the youngest of the family's three children had tightness in her legs and was skipping typical infant milestones.
Video of a precious, incredible little girl has gone viral, all because of her fantastic courage and determination to walk.
"We're always trying to help her and she always says, 'No, I can do it!'" she said.More news: Hsieh Su-Wei beats No. 1 Simona Halep at Wimbledon
According to the family's website, the surgery was meant to "permanently reduce Maya's spasticity, giving her the ability to live with less pain and greater mobility".
On May 9, 2018, Maya traveled from her home in MI to St. Louis, Missouri, to have selective dorsal rhizotomy surgery.
While she celebrated this joyous moment for her daughter, Tisdale said Maya had a "long road of learning" ahead of her.More news: England bask in World Cup glow as Russian Federation suffer agonising exit
The video was posted this week on the family's Instagram account "Mighty Miss Maya", with the caption "4 years, 10 months". The doctors said that with intensive physical therapy, she was expected to start walking independently within six months to a year following the procedure. According to the family's YouCaring page, she spent the first 87 days of her life in the hospital's NICU before being sent home.