The document describes different types of abnormal gaits seen in various medical conditions. It discusses hemiplegic, diplegic, myopathic, choreic, ataxic, antalgic and Trendelenburg gaits. It explains the pathomechanisms, causes and treatments for each gait type. Important muscles for normal gait include hip extensors, knee extensors, plantar flexors and dorsiflexors. Abnormalities in these muscle groups can significantly affect one's walking pattern.