OBJECTIVE Leg-extensor muscle weakness could be a key component in knee joint degeneration in the elderly because it may result in altered muscular control during locomotion influencing the mechanical environment within the joint. This work aimed to examine whether an exercise-induced enhancement of the triceps surae (TS) and quadriceps femoris (QF) muscle-tendon unit (MTU) capacities would aff...

BACKGROUND Hip abductor muscle weakness may result in impaired frontal-plane pelvic control during gait, leading to greater medial compartment loading in people with knee osteoarthritis (OA). OBJECTIVE This study investigated the effect of an 8-week home strengthening program for the hip abductor muscles on knee joint loading (measured by the external knee adduction moment during gait), stren...

BACKGROUND Stair climbing is a challenging task to the elderly being the task with the first complaint in patients with mild to moderate knee osteoarthritis. Stair climbing results in around six times more compressive load transmitted through the knee joint than walking on level ground. The purpose of this study was to assess whether lateral wedge insoles would reduce medial compartment knee lo...

[Purpose] The aim of this study was to determine the relationships among the foot progression angle, foot rotation angle, lower limb alignment, and knee adduction moments in patients with degenerative knee osteoarthritis (OA). [Subjects] Forty-eight patients diagnosed with degenerative knee OA (Kellgren-Lawrence grades 2 and 3) were included. [Methods] To assess the lower extremity alignment an...

Iliotibial band syndrome (ITBS) is a common overuse running injury. Atypical secondary plane lower-extremity and trunk biomechanics during running are likely to play a role in the etiology of ITBS [1, 2]. Proximal factors such as a large hip adduction angle may increase the tensile strain in the iliotibial band during the stance phase of running [1]. A lack of ability to limit hip adduction may...

Wearing high heels alters walking kinematics and kinetics and can create potentiallyadverse effects on the body. Our purpose was to determine how heel height affects frontalplane joint moments at the hip, knee, and ankle, with a specific focus on the external kneemoment due to its importance in medial loading and knee osteoarthritis. Fifteen womencompleted overground walking tri...

Many conservative treatments exist for medial knee osteoarthritis (OA) which aims to reduce the external knee adduction moment (EKAM). The objective of this study was to determine the difference between different shoes and lateral wedge insoles on EKAM, knee adduction angular impulse (KAAI), external knee flexion moment, pain, and comfort when walking in individuals with medial knee OA. Seventy...

Researchers have found that poor postoperative outcomes in pain and function are associated with poor loading patterns on the knee joint, specifically high knee adduction moment, high knee flexion moment and low knee extension moment. These pathological loading patterns are usually present in these patients prior to surgery and are retained after surgery. With time these loading patterns will l...