Genetics Corner: A Consultation for Joint Limitations that Developed After Birth.

The article presents the case study of a 13-week-old female who was evaluated by the Pediatric Genetics service for progressive joint limitations that developed after birth. Topics include the initial symptoms and diagnostic tests performed, the subsequent evaluations and findings at the muscular dystrophy clinic, and the identification of physical symptoms like joint contractures, hyperpigmentation, and a "frog-leg" posture.