BACKGROUND Blind people depend on spatial and temporal representations to perform activities of daily living and compete in sport. OBJECTIVE The aim of this study is to determine the spatiotemporal characteristics of long jumps performed by blind athletes and compare findings with those reported for sighted athletes. METHODS We analysed a sample of 12 male athletes competing in the F11 Long...

We investigated whether high-impact drop jumps could increase bone formation in the middiaphyseal tarsometatarsus of growing rooster. Roosters were designated as sedentary controls (n = 10) or jumpers (n = 10). Jumpers performed 200 drop jumps per day for 3 wk. The mechanical milieu of the tarsometatarsus was quantified via in vivo strain gauges. Indexes of bone formation and mechanical paramet...

The ability of birds to perform effective jumps may play an important role in predator avoidance and flight initiation. Jumping can provide the vertical acceleration necessary for a rapid takeoff, which may be particularly important for ground-dwelling birds such as phasianids. We hypothesized that by making use of elastic energy storage and release, the leg muscles could provide the large powe...

OBJECTIVE To examine whether different exercise loading is associated with lumbar vertebral texture as assessed with Trabecular Bone Score (TBS). METHODS Data from 88 Finnish female athletes and 19 habitually active women (reference group) were analyzed. Participants' mean age was 24.3 years (range 17-40 years). Athletes were divided into five specific exercise loading groups according to spo...

Aqua treadmill is mainly used for rehabilitation purposes, but research indicates that this equipment could be used for training as well. Th e few studies performed with aqua treadmill mainly followed lactate and heart rate changes. Th erefore, the aim of this study was to test the eff ect of high water treadmill training on several blood parameters and on the correlations between them. Eight s...

Assessment of sport performance is based on mechanical analysis of a movement. In high jump there are two main sequences: a run-up and a jump. The efficiency of a high jump can be described taking into account location of a centre of mass of a jumper while acquiring a standing up-right position and then at the highest position over a bar during a jump. The difference of those locations is taken...

objectives: patients suffering from mild to moderate knee osteoarthritis may be treated with unloader knee orthoses or laterally wedged insoles. the aim of this study was to identify and compare the effects of two orthoses in these patients. methods: 56 patients with medial compartment knee oa were evaluated when wearing an unloader knee orthosis and insoles with a 6° lateral wedge which were r...

tuberculosis (tb), once a disease confined to undeveloped or developing nations is currently in resurgence, which is attributable to pandemic human immunodeficiency virus (hiv) infection and immigration from endemic areas. tuberculous arthritis is difficult to diagnose early because of its atypical insidious clinical manifestations and nonspecific imaging findings. tb is also known as the ‘grea...

background : biomechanical factors are known to be important in knee osteoarthritis (oa) development and progression. this study was designed to determine changes of hamstrings muscle activation, knee adduction moment and ankle rotation angle in two knee osteoarthritis (mild and moderate) and a healthy control group.   methods: 16 females (10 with mild and 6 with moderate medial knee osteoarthr...