WAcquired non-inflammatory myopathy
WContracture
WCramp
WDiastasis recti
WDistal spinal muscular atrophy type 2
WFibrodysplasia ossificans progressiva
WBeta-Hydroxy beta-methylbutyric acid
WLaminopathy
WMuscle atrophy
WMuscle imbalance
WMyopathy, X-linked, with excessive autophagy
WMyositis ossificans
WPsoas muscle abscess
WPyomyositis
WStrain (injury)
WThyrotoxic periodic paralysis
WWriter's cramp