phenotype affects entity abnormal locomotor rhythm Phenotype that is any abnormality in locomotor rhythm (GO:0045475). 'locomotor rhythm' is defined as: 'The rhythm of the locomotor activity of an organism during its 24 hour activity cycle.' FBcv:0000395 phenotypic_class locomotor rhythm defective abnormal locomotor behavior abnormal circadian behavior locomotor rhythm abnormal locomotor circadian rhythm locomotor rhythm phenotype