Causes. Leg length discrepancies can be caused by poor alignment of the pelvis or simply because one leg is structurally longer than the other. Regardless of the reason, your body wants to be symmetrical and will do its best to compensate for the length difference.
Date of Onset. When the Social Security Administration (SSA) refers to a disability applicant's Date of Onset, they are referring to the date that a Social Security Disability applicant became disabled. When you fill out your Social Security Disability claim forms, you will be asked to provide the date your disability began.
1 The date of Medicare eligibility is measured from the date of eligibility for SSDI (generally 6 months after the start of disability), not the date when the first SSDI payment was received. 2  If a person receives Social Security disability benefits, any COBRA benefits may also be extended from 18 to 29 months.