Search results for "raajat"
showing 10 items of 10 documents
Monipuolisen liikuntaharjoittelun vaikutus alaraajojen toiminnalliseen lihasvoimaan ja dynaamiseen tasapainoon ikääntyneillä naisilla : satunnaistett…
2004
Foot loading in normal and pathological walking
2002
Perusteellinen kävely- ja kuormitusanalyysi on usein tarpeellinen jalkaongelmissa, jotta mahdollinen tukien ja ortoosien valinta sekä alaraajoihin kohdistuvien leikkausten jälkeinen kuntoutus pystytään suorittamaan parhaalla mahdollisella tavalla, toteaa Jarmo Perttunen väitöstutkimuksessaan. Kävelijä tuottaa tukivaiheen aikana alustaan voimia pysty- ja vaakasuunnassa, joita on perinteisesti mitattu voimalevyantureilla. Ne eivät pysty yksistään erottelemaan kuormitusta jalkapohjan eri osien välillä riittävän täsmällisesti. Kiinnostus selvittää kuormitus tarkasti on johtanut kehityksen alkeellisista jalkapohjan mustekuvista hyvin pieniin kengän sisälle asetettaviin mittausantureihin. Perttus…
Niska-hartiaoireiden yhteys yläraajojen fyysiseen suorituskykyyn, koettuun fyysiseen kuntoon ja vapaa-ajan fyysiseen aktiivisuuteen 13-17 -vuotiailla…
2002
Ipsilateral corticomotor responses are confined to the homologous muscle following cross-education of muscular strength
2017
Cross-education of strength occurs when strength-training 1 limb increases the strength of the untrained limb and is restricted to the untrained homologous muscle. Cortical circuits located ipsilateral to the trained limb might be involved. We used transcranial magnetic stimulation (TMS) to determine the corticomotor responses from the untrained homologous (biceps brachii) and nonhomologous (flexor carpi radialis) muscle following strength-training of the right elbow flexors. Motor evoked potentials were recorded from the untrained left biceps brachii and flexor carpi radialis during a submaximal contraction from 20 individuals (10 women, 10 men; aged 18–35 years; training group, n = 10; c…
Keski-ikäisten ja ikääntyneiden naisten ja miesten 6 kuukauden intensiivisen voimaharjoittelun vaikutukset alaraajojen ojentajalihasten EMG-aktiivisu…
1997
Association between frontal plane knee control and lower extremity injuries : a prospective study on young team sport athletes
2017
Background/aimPoor frontal plane knee control can manifest as increased dynamic knee valgus during athletic tasks. The purpose of this study was to investigate the association between frontal plane knee control and the risk of acute lower extremity injuries. In addition, we wanted to study if the single-leg squat (SLS) test can be used as a screening tool to identify athletes with an increased injury risk.MethodsA total of 306 basketball and floorball players participated in the baseline SLS test and a 12-month injury registration follow-up. Acute lower extremity time-loss injuries were registered. Frontal plane knee projection angles (FPKPA) during the SLS were calculated using a two-dimen…
Kävelyn aiheuttamat plantaariset paineet ja amputoidun raajan tynkään kohdistuvat paineet sääriamputoiduilla
2007
Muscle-tendon morphomechanical properties of non-surgically treated Achilles tendon 1-year post-rupture
2022
Background\ud Achilles tendon rupture appears to alter stiffness and length of the tendon. These alterations may affect the function of tendon in force transmission and in energy storage and recovery. We studied the mechanical properties of the Achilles' tendon post-rupture and their association with function.\ud Methods\ud Twenty-four (20 males, 4 females) participants (mean age: 43 y, 176 cm, 81 kg) were recruited. Ultrasonography and dynamometry were used to assess the muscle-tendon unit morphological and mechanical properties of non-surgically treated patients 1-year post rupture.\ud Findings\ud Injured tendons were longer with difference of 1.8 cm (95%CI: 0.5–1.9 cm; P < 0.001), and th…
Effects of different strength training frequencies on maximum strength, body composition and functional capacity in healthy older individuals
2017
There is controversy in the literature regarding the dose-response relationship of strength training in healthy older participants. The present study determined training frequency effects on maximum strength, muscle mass and functional capacity over 6 months following an initial 3-month preparatory strength training period. One-hundred and six 64–75 year old volunteers were randomly assigned to one of four groups; performing strength training one (EX1), two (EX2), or three (EX3) times per week and a non-training control (CON) group. Whole-body strength training was performed using 2–5 sets and 4–12 repetitions per exercise and 7–9 exercises per session. Before and after the intervention, ma…
Asymmetrical lower-limb muscle strenght deficit in older people
2008
The aim was to study causes and consequences of asymmetrical strength deficit, i.e. difference in muscle strength between the lower-limbs, and the effects of progressive resistance training in clinical and non-clinical populations of older people.Data of three larger studies were used. Healthy 63-75-year-old women (n=403-419), 73-96-year-old women 1-13 weeks after hip fracture (n=43), and 60-85-year-old men and women ½-7 years after hip fracture (n=79) were studied. A randomized controlled trial of strength-power training aiming to reduce the lower-limb side-to-side difference was performed (n=46). Leg extension power, isometric knee extension torque, rate of force development, walking and …