What are the three most common physical disabilities?

1. Mobility disabilities: These include difficulty walking or moving around, and can be caused by a variety of conditions such as spinal cord injuries, cerebral palsy, muscular dystrophy, and arthritis.

2. Vision impairments: These include difficulty seeing, and can be caused by conditions such as cataracts, glaucoma, macular degeneration, and retinitis pigmentosa.

3. Hearing impairments: These include difficulty hearing, and can be caused by conditions such as otitis media, Ménière's disease, and noise-induced hearing loss.