The movement problems in lower extremities resulting from accidents, paralysis,
degenerative diseases, and elderly people with loss of mobility due to muscle weakness …

The use of specialized devices, such as orthopedic devices, has become indispensable in
the lives of people with disabilities since ancient times. The primary purpose of such devices …

In medical sector, the necessity of developing orthotic devices has been felt, nowadays, due
to the increasing number of patients with stroke or spinal injury cases. In this regard, knee …

Compliant actuators are increasingly being designed for wearable robots (WRs) to more
adequately address their issues with safety, wearability, and overall system efficiency. The …

Background In the last decades, several powered ankle-foot orthoses have been developed
to assist the ankle joint of their users during walking. Recent studies have shown that the …

It was reported that about 10% of people suffer from painful knee arthritis, and a quarter of
them were severely disabled. The core activities of daily living were severely limited by knee …

This article discusses the significance of knee joint mechanics and the consequences of
knee dysfunctions on an individual's quality of life. The utilization of active knee braces …

Parallel-elastic actuators (PEA) can provide efficiency advantages. In current designs
clutches can fix or release the neutral position of the elasticity. The presented actuator …

The task of a powered knee orthotic device (PKOD) is to assist the knee joint so that its
natural behavior can be restored. The key features of a PKOD that may help to regain such …

Two major responsibilities are taken by a knee joint during level ground walking of a human
being. At stance phase, knee joint is locked in order to provide stability against ground …