She’s a great dancer. But here wikipedia entry says it better, with quotes like:
With her mane of platinum dreadlocks, her physical power and her mastery of the full-body barrel jump, which looks like a horizontal pirouette, her image was a signature for the company
…she gave heart and soul to her art. She embodied dance on the outer edge, performing with passion and generosity, dazzling audiences worldwide.
Now she will be performing here: Harbourfront Centre – World Stage 2010:11 | Louise Lecavalier
Here’s an old video of her from her days with La La La Human Steps (Infante c’est destroy). She dances great throughout, with an amazing display of her power and virtuosity starting around the 2:15 mark: