Energetics and mechanics of human running on surfaces of different stiffnesses
Mammals use the elastic components in their legs (principally tendons, ligaments, and muscles) to run economically, while maintaining c...
Biomechanics of quadrupedal walking: how do four-legged animals achieve inverted pendulum-like movements
Walking involves a cyclic exchange of gravitational potential energy and kinetic energy of the center of mass. Our goal was to understa...
Athletic footwear, leg stiffness, and running kinematics
CONTEXT: The leg acts as a linear spring during running and hopping and adapts to the stiffness of the surface, maintaining constant to...
A mechanical trigger for the trot-gallop transition in horses
It is widely thought that animals switch gaits at speeds that minimize energetic cost. Horses naturally switched from a trot to a gallo...
Predictors of falls among elderly people. Results of two population-based studies
A study was performed to identify and rank risk factors for falling among populations of institutionalized (fallers, N = 79, nonfallers...
Reducing frailty and falls in older persons: an investigation of Tai Chi and computerized balance training. Atlanta FICSIT Group. Frailty and Injuries: Cooperative Studies of Intervention Techniques
OBJECTIVE: To evaluate the effects of two exercise approaches, Tai Chi (TC) and computerized balance training (BT), on specified primar...
Risk factors for recurrent nonsyncopal falls. A prospective study
Falls are a major threat to the health of older persons. We evaluated potential risk factors for falls in 325 community-dwelling person...
Risk factors for hip fracture in white women. Study of Osteoporotic Fractures Research Group
BACKGROUND. Many risk factors for hip fractures have been suggested but have not been evaluated in a comprehensive prospective study. M...
Differential shock transmission response of the human body to impact severity and lower limb posture
The shocks imparted to the foot during locomotion may lead to joint-degenerative diseases and jeopardize the visual-vestibular function...