[PDF] Top 20 A powered prosthetic ankle joint for walking and running

... The ankle angle sensor output and the calculated torque of the Walk-Run ankle were compared to healthy subject data. We found that for walking at 1.6 m/s the control- ler identified a mean speed of ... See full document

... of walking and/or running include Dicharry (2010), Novacheck (1998), Vaughan (1984), and Williams ...average walking or running speed (sometimes called velocity) will be , with numerical ... See full document

... average joint angular excursions during cyclic behaviors – chewing, walking and running – in a phylogenetic context to explore differences in the optimality criteria of these two ...jaw joint ... See full document

... musculoskeletal running injur- ies such as plantar fasciitis and tibial stress fractures have greater vertical ground reaction force loading rates, defined as the slope of the vertical ground reac- tion force ... See full document

... augmenting running and ...for running using the observation that the biological knee can be approximated as a spring dur- ing the stance phase of slow to moderate-speed ...the running exoskeleton ... See full document

... human joint(s) for torque and work ...augment joint torque and ...augments joint torque and work. This type of leg exoskeleton could improve walking and running metabolic economy, or ... See full document

... of ankle-foot work for the no load ...prosthesis ankle joint stiffness decreases the amount of positive work in prosthetic de- vices [6, 16, 23, ...maximized prosthetic ... See full document

... controlled ankle exoske- letons in healthy individuals have revealed valuable in- sights onto how users interact with the device ...total ankle joint power [38], and thus could be viable for ... See full document

... the ankle joint due to injuries or diseases, such as strokes, hemiple- gia, and incomplete spinal cord injuries, show an altered gait pattern when compared to that of healthy subjects ...of ankle ... See full document

... ultimately, walking economy. Individuals that have succumbed to reductions in ankle power output during walking also exhibit reductions in walking ...adults walking at the same speed ... See full document

... both joint and limb powers but did not translate to forward propulsion, we explored whether overall limb configuration limited the transfer of mecha- nical energy at the ankle into center of mass ...the ... See full document

... neither ankle angle (vaulting) nor hip rotation (circumduction) were investigated in this study, which will also need to investigated in future ...for walking in subjects with quadriceps weakness will also ... See full document

... to walking unpowered in the ...unpowered walking, it is a good proof that both control strategies were able to work in parallel with user to offload some of the energetic requirements of ...extremity ... See full document

... active ankle-foot orthosis ...different walking speeds [25]. Success of this system on tuning the joint damping ratio relied on a linear relationship between damping and walking ...and ... See full document

... during walking is dominated by the cost of performing positive muscle ...level walking (DeVita et ...compute joint power over the whole gait cycle and reported ...the ankle, knee and hip ... See full document

... fiber ankle foot orthoses (AFO) were attached to the participants’ shoes and ...rotational joint, which was axially aligned with the ...AFO joint to measure real-time ankle ... See full document

... assisting ankle exoskeletons, similar to previous studies [36, 37], that were created in coordination between the Human Neuromechanics Laboratory and the University of Michigan Orthotics and Prosthetics ... See full document

... pleted walking trials on a treadmill with a set level of par- tial bodyweight support at four speeds ...orthoses powered under pushbutton control by a therapist (therapist-controlled, ...orthoses ... See full document

... The use of non-validated rating scales as mentioned before is also a problem, as the outcomes are not stan- dardized and therefore not reproducible, their use ham- pers evaluation. Of the 17 included studies only Schutte ... See full document

... hip joint suggests that prophylaxis is necessary in patients with higher- risk genitourinary procedures that are performed within the first two years after prosthetic joint placement in order to ... See full document