Biceps Brachii Long Head Overactivity Associated with Elbow Flexion Contracture in Brachial Plexus Birth Palsy
Sheffler LC, Lattanza L, Sison-Williamson M, James MA. Biceps Brachii Long Head Overactivity Associated with Elbow Flexion Contracture in Brachial Plexus Birth Palsy. Journal Of Bone And Joint Surgery 2012, 94: 289-297. PMID: 22336968, PMCID: PMC3273876, DOI: 10.2106/jbjs.j.01348.Peer-Reviewed Original ResearchConceptsBrachial plexus birth palsyElbow flexion contractureBiceps brachii muscleBirth palsyFlexion contractureUnaffected limbAffected limbLong headBrachii muscleMuscle imbalanceShort headThree-dimensional motion analysisFine-wire electromyographyUpper extremity tasksFine-wire electrodesUpper extremity kinematicsMean durationUnderwent testingMuscle bellyShoulder activityPalsyRepeat testingShoulder stabilizationContractureElbow extension