The walking of a bipedal robot is composed of different phases such as single support (SS) with flat foot, SS with foot rotation around the metatarsal axis and double support. During every walking phase there is a dynamic model and a contact with the ground. Thus, an appropriated control law has to be implemented for each phase. Generally, the type of contact with the ground is imposed but it i...

During locomotion over uneven terrain, gait must be adapted to avoid a trip. In the event of a foot-obstacle contact, the body reactively responds to the perturbation. However, it is unknown if any proactive adjustments are made in subsequent strides to reduce the likelihood of another contact, and how long any proactive adaptations persist. This study examined gait behavior while stepping over...

Large number of studies showed that landing with great impact forces may be a risk factor for knee injuries. The purpose of this study was to illustrate the different landing loads to lower extremity of both genders and examine the relationships among selected lower extremity kinematics and kinetics during the landing of a stop-jump task. A total of 35 male and 35 female healthy subjects were r...

CONTEXT Running related overuse injuries are a significant problem with half of all runners sustaining an injury annually. Many medical providers and coaches question how to advise their running clients to prevent injuries. Alternative running styles with a more anterior footstrike such as barefoot running, POSE running, and Chi running are becoming more popular. Little information, however, ha...

BACKGROUND European studies of paediatric foot burns report scalds as the leading cause. Mechanisms of injury are different in warmer climates. We sought to characterize the mechanisms and outcomes of isolated foot burns in our population. METHODS Retrospective review of a prospectively collected database of all children aged 0-15 years presenting to a Queensland paediatric burns centre over ...

OBJECTIVE To determine the outcome of diabetic neuropathic foot ulcers treated with Total Contact Cast (TCC) in terms of percentage of ulcers healed and time to heal. STUDY DESIGN Analytical study. PLACE AND DURATION OF STUDY Department of Orthopaedic Surgery, Abbasi Shaheed Hospital, Karachi Medical and Dental College, from April 2005 to March 2007. METHODOLOGY The study included diabeti...

BACKGROUND Chronic planter ulcer, also known as trophic ulcer, shows no tendency towards healing. It is usually seen in sensory deficient foot. The clinical result of a sensory, motor or autonomic loss of a nerve function is frequently the same--ulceration, although the exact cause may vary. The treatment principle involves dressing and avoiding pressure on the ulcerated site called 'offloading...

A model of the human foot is proposed in which the foot is represented as eight rigid segments and eight monocentric, single-degree-of-freedom joints. The soft tissue under the foot is divided into seven independent sites of contact, or loading, and each of these is modelled as a nonlinear spring and a nonlinear damper in-parallel. The model was used to estimate the kinematics and kinetics of t...

Background. Changes in biomechanical structures of human foot are common in the older person, which may lead to alteration of foot type and plantar pressure distribution. We aimed to examine how foot type affects the plantar pressure distribution and to determine the relationship between plantar pressure distribution and functional reach distance in older persons. Methods. Fifty community-dwell...