Oct 14, 2022 / Guide

Muscular dystrophies include several genetic disorders. These disorders cause a loss of muscle mass (muscle "wasting"), which leads to increasing muscle weakness over time.

Jun 13, 2021 / Guide

Obesity is a chronic disease in which excess body fat worsens health and increases the risk for chronic conditions like heart disease, diabetes, stroke, depression, and some cancers.

Jul 22, 2024 / Guide

Osgood-Schlatter disease is an overuse injury found only in growing children. It is one of the most common causes of pain at the front of the knee. A physical therapist can help decrease pain and reduce the risk for further injury.

Jan 23, 2023 / Guide

Hip osteoarthritis, or hip OA, is a health condition involving changes to the cartilage, ligaments, bone, and muscles surrounding the hip joint. It can make everyday activities, such as walking or climbing stairs, hard to do.

Sep 18, 2022 / Guide

Knee osteoarthritis is a condition that results from degenerative changes to the cartilage between the bones of the knee joint. Physical therapists help people with knee OA to reduce pain and improve mobility.

Sep 3, 2018 / Guide

Spine osteoarthritis is a condition that usually occurs with aging and is typically diagnosed after age 50.

Jan 11, 2020 / Guide

Osteopenia is lower-than-normal bone density or thickness (low bone mass). It is often confused with osteoporosis, a condition involving more severe bone loss.

Mar 28, 2018 / Guide

Osteoporosis is a disease that makes people more likely to break a bone from a minor fall or bump. This easy-to-read guide explains what it is, who's at risk, how to help prevent it, and physical therapist treatment that can help.

May 14, 2026 / Guide

Perthes disease is a rare hip condition that begins with a disruption of blood flow to the head of the femur (thigh bone). It most often occurs in children 4 to 8 years old.

Oct 27, 2025 / Guide

Pes anserine bursitis causes pain on the inside of the knee and lower leg. This guide explains symptoms, causes, and how physical therapy helps relieve pain and improve movement.