Common DMD Signs

Common signs of DMD can be divided into motor and non-motor signs:

Motor signs4,6,8-9

Not walking until ~18 months old

Walking on toes with legs apart, walking with belly pointed out, or both

Falling down often

Needing help getting up from floor, or using arms to walk body to standing position (Gower’s maneuver)

Enlarged calves


Non-motor signs10,11


Emotional/behavioral challenges

aggressive/noncompliant behavior, depressed/overcontrolled

Cognitive impairment

intellectual disability, learning disability, delayed speech

Neuropsychiatric disorders

ADHD, anxiety, autism spectrum disorder, epilepsy


Developmental delays can be a sign of neuromuscular disorders such as DMD—the next step is to do a CK test.