Sep 21, 2020 / Guide

Knee pain can result from disease, overuse injury, or trauma. It is a broad topic as many conditions are related to or can cause knee pain.

Apr 13, 2020 / Guide

A lateral collateral ligament sprain occurs when the ligament on the outer side of the knee is overstretched, leading to pain, swelling, stiffness, and related weakness in the knee or leg.

Mar 24, 2026 / Guide

Lower extremity stress fractures are tiny cracks in the bones of the legs or feet that develop from overuse injuries. They are common in athletes, the military, and people who start a new exercise with too much intensity, too quickly. Learn the facts about treatment.

Sep 17, 2020 / Guide

Lymphedema is swelling in the arms or legs due to disruption of lymph fluid flow through the lymphatic system. It is caused either by a blockage or removal of the lymph nodes.

May 9, 2023 / Guide

Meniscal tears are common injuries to the cartilage of the knee. They can affect athletes and nonathletes alike.

Apr 4, 2025 / Guide

Shoulder instability is a common injury among athletes that can result from a traumatic event. It also can occur without trauma. Proper treatment can support a return to activity and help prevent reinjury.

Mar 24, 2026 / Guide

Neck pain is pain felt in the back of the neck – the upper spine area, just below the head. The pain can extend to the upper back, shoulder, and arm when specific nerves are affected.

Mar 1, 2024 / Guide

Osteoarthritis, or OA, is the most common type of arthritis damaging the joint surfaces. Physical therapists help people manage OA, decrease pain, and increase movement.

Dec 8, 2023 / Guide

Shoulder osteoarthritis occurs when the cartilage that lines the sides of the shoulder joint becomes worn down or thins out, and the shoulder bones start to degrade.

Mar 20, 2021 / Guide

Osteochondritis dissecans, or OCD, is a condition that involves damage within a joint.