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Dalal Mansi M Johns Hopkins Medical Institutions, Baltimore, Maryland, - - 2009
Advanced glycation end products (AGEs) have been implicated in the pathogenesis of diabetes, heart disease, and kidney failure and may potentially affect skeletal muscle. Whether AGEs are associated with poor muscle strength is unknown. Serum carboxymethyl-lysine (CML), a dominant AGE, circulating soluble form of receptor for advanced glycation end products ...
Segal Neil A NA Department of Orthopaedics and Rehabilitation, The University of Iowa, Iowa City, IA 52242-1088, USA. - - 2009
Dual-energy X-ray absorptiometry (DXA) is widely used for bone mineral density and body composition assessments. However, DXA is known to overestimate muscle mass in obese adults. We used single-slice CT (ssCT) to derive a correction factor to enhance accuracy of DXA estimation of specific strength (strength per unit muscle). One ...
Katić Ratko - - 2008
The aim of the study was to determine canonic relations between the set of basic motor variables and the set of athletic variables assessing the abilities of sprint, throw and long-distance run adjusted for children aged seven years. Study sample consisted of 635 first-graders from Split elementary schools, divided into ...
Sherriff Andrea A Division of Developmental Medicine, 9th Floor, University of Glasgow Dental School, 378 Sauchiehall Street, Glasgow G3 8SJ, UK. - - 2009
Indices for lean and fat mass adjusted for height derived from bioelectrical impedance for children aged 7 years have been published previously and their usefulness in the clinical assessment of undernutrition has been demonstrated. However, there is a need for norms that cover a wider age range and to explore ...
Mebes Christine - - 2008
OBJECTIVE: To determine differences between hypermobile subjects and controls in terms of maximum strength, rate of force development, and balance. METHODS: We recruited 13 subjects with hypermobility and 18 controls. Rate of force development and maximal voluntary contraction (MVC) during single leg knee extension of the right knee were measured ...
Schober M - - 2009
Stainless maraging steels have a Cr content higher than 12wt% and show a excellent combination of high strength and ductility, which make them attractive for use in machinery fields and aircraft applications. The massive increase of strength during ageing treatment of maraging steels is related to a precipitation sequence of ...
Jürimäe T - - 2009
The purpose of the present study was to examine the relationship of handgrip strength with basic anthropometric variables, hand anthropometric variables, total body and hand composition, total body and hand bone mineral density (BMD) and bone mineral content (BMC) in prepubertal children aged between 8 and 11 years (n=64, 27 ...
Shah K - - 2008
The purpose of this study was to investigate the effect of cerium and bismuth coloring salts solutions on the microstructure, color, flexural strength, and aging resistance of tetragonal zirconia for dental applications (3Y-TZP). Cylindrical blanks were sectioned into disks (2-mm thick, 25-mm in diameter) and colored by immersion in cerium ...
Delmonico Matthew J MJ Department of Epidemiology, University of Pittsburg , Pittsburg, PA, USA. - - 2008
The purpose of this study was to examine the association of the alpha-actinin-3 (ACTN3) R577X polymorphism on muscle function and physical performance in older adults. We measured knee extensor torque, midthigh muscle cross-sectional area, muscle quality, short physical performance battery score, and 400-meter walk time at baseline and after 5 ...
Lindberg Påvel P Inserm, UMR_S 742, ANiM, 75005, Paris France. - - 2009
We investigated age related changes in the control of precision grip in 29 healthy adults spanning early adulthood to middle age (21-67 years). Subjects performed a visually guided, isometric precision grip ramp-and-hold force-tracking task. Target force levels were 3, 6, and 9 N. Precision and performance of force regulation was ...
Wu Shu-Wen - - 2009
We inquire whether assessment of an individual's upper limb function may be improved by using specific regional norms rather than consolidated global norms. Grip strengths were measured in a sample of 482 adults across Taiwan, and compared with consolidated norms. To ensure comparable conditions, our procedures were those recommended by ...
Kiriyama Shinya - - 2009
BACKGROUND: Increased shank rotation during landing has been considered to be one of the factors for noncontact anterior cruciate ligament injuries in female athletes. There have been no known gender differences in rotational knee muscle strength, which is expected to inhibit exaggerated shank rotation. HYPOTHESIS: Women have less knee external ...
Chung Linda H - - 2008
The extent of and the interactions between muscle strength, walking speed, postural control, and symptomatic fatigue in multiple sclerosis (MS) are not known, nor are the effects of bilateral strength asymmetries on these variables. PURPOSE: To quantify the magnitude of and the associations between bilateral strength and limb-loading asymmetries, postural ...
Salminen Marika - - 2008
BACKGROUND AND AIMS: The aim of this study was to assess the effects of risk-based multifactorial fall prevention program on maximal isometric strength in the community-dwelling aged. METHODS: 591 subjects were randomized in two age groups (65-74 and > or = 75 yrs), intervention group (IG) (n=293) and control group ...
Puig-Domingo Manuel - - 2008
BACKGROUND AND AIMS: Successful aging is a worldwide aim, but its related factors and instruments of measurement are currently hotly debated. To investigate the relationship between muscle strength and functional capacity, and its association with successful aging. METHODS: A population-based cross-sectional study was performed in Mataró (Spain). Included in the ...
Gökoğlu Figen - - 2008
BACKGROUND: There have been few studies in the literature evaluating the effect of Behçet's disease (BD) on tendons. Thus, we planned to search for the involvement of hand and foot tendons in BD by using ultrasonography and to determine the relation of tendon involvement with clinical measurements. METHODS: The study ...
Zagorac Nebojsa - - 2008
The aim of the study was to assess the effect of programmed physical education on biomotor changes in girls, and the impact of these changes on relations between the set of morphological and motor variables, and athletic variables evaluating the sprint and throw abilities. Study sample included 310 six- to ...
Pavić Renata - - 2008
The aim of the study was to assess the development of motor abilities in elementary school fifth- to eighth-graders (age 11-14 years) according to sex, age and physical activity. Study sample included 312 subjects divided according to age and sex into four groups: male subjects aged 11-12 (n = 93) ...
Winters-Stone Kerri M KM School of Nursing, Oregon Health and Science University, Portland, USA. - - 2008
To determine whether clinical characteristics, physical fitness, or physical activity predict fatigue in older, long-term breast cancer survivors. Cross sectional. National Cancer Institute-designated cancer center in Portland, OR. 47 women (X age = 69 years) who were at least one year beyond treatment completion, including surgery, radiation, chemotherapy, or hormone ...
Hunter Gary R - - 2008
Purpose was to determine effects resistance training/weight loss induced changes in muscular strength and flexibility have on net walking oxygen uptake (netVO(2)). Sixty-seven premenopausal women lost 12 kg. Before weight loss subjects were assigned to diet (WL) or diet/3 days per week resistance training (WLRT). Resting energy expenditure, oxygen uptake ...
Moreau Noelle G NG Department of Physical Therapy, Washington University, St. Louis, MO 63108, USA. - - 2008
To investigate muscle fatigue of the knee flexors and extensors in people with cerebral palsy (CP) compared with those without motor disability during performance of a voluntary fatigue protocol and to investigate the relationship with functional mobility. A case-control study. A biomechanics laboratory. Ambulatory subjects with CP (n=18; mean age, ...
Lautamies Riitta - - 2008
Existing clinical studies have not proven which graft is to be preferred in anterior cruciate ligament (ACL) reconstruction. In recent years, bone-patellar tendon-bone and hamstring tendons have been the most frequently used graft types. Muscle strength deficit is one of the consequences after ACL reconstruction. The aim of this study ...
Korff Thomas - - 2008
When performing skillful movement muscular and nonmuscular forces act in concert to produce a resultant force that complies with the goal of the task. Nonmuscular forces are directly dependent on the anthropometry of the performer. The purpose of this study was to determine the effect of age-related changes in relative ...
Dierks Tracy A - - 2008
STUDY DESIGN: Cross-sectional experimental laboratory study. OBJECTIVES: To investigate the relationships between hip strength and hip kinematics, and between arch structure and knee kinematics during prolonged treadmill running in runners with and without patellofemoral pain syndrome (PFPS). BACKGROUND: Hip weakness can lead to excessive femoral motions that adversely affect patellofemoral ...
Clark Brian C - - 2008
Maximal voluntary force (strength) production declines with age and contributes to physical dependence and mortality. Consequently, a great deal of research has focused on identifying strategies to maintain muscle mass during the aging process and elucidating key molecular pathways of atrophy, with the rationale that the loss of strength is ...
Reid K F KF Nutrition, Exercise Physiology and Sarcopenia Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA 02111, - - 2008
This study examined the influence of lower extremity body composition and muscle strength on the severity of mobility-disability in community-dwelling older adults. Fifty-seven older males and females (age 74.2 +/- 7 yrs; BMI 28.9 +/- 6 kg/m2) underwent an objective assessment of lower extremity functional performance, the Short Physical Performance ...
Ball J M - - 2009
The angle of kyphosis increases with age with the most rapid increase occurring between 50 and 60 years. The progression of kyphosis was prevented in women ages 50-59 years who performed extension exercises three times a week for one year. INTRODUCTION: The purpose of this study was to (1) measure ...
Tsai Yi-Kuei - - 2008
Regular exercise has been shown to benefit its practitioners and prevent and control diseases. Muscle/Tendon Change Classic (MTCC) qigong, characterized by simple, slow, and full-body exercise, is appropriate for the middle-age population. This study aims to evaluate the effect of the MTCC qigong program in improving physical status for middle-aged ...
Shyam Kumar A J - - 2008
BACKGROUND: The aim of our study was twofold. The first was to investigate the optimum position of the elbow while measuring grip endurance. The second was to investigate the optimum position of the elbow while measuring peak grip strength. The American Society of Hand Therapists advocate estimation of grip strength ...
Demura Shinichi - - 2008
Muscle endurance is one of the important composite factors to health-related physical fitness. However, previous measurement techniques for evaluation of isometric muscle endurance have been problematic, including rapid increase of blood pressure and heart rate. The progressive workload method which gradually increases the load can reduce subject's physical and mental ...
Milliken Laura A - - 2008
Despite the widespread use of and acceptance of muscular fitness field tests in national youth fitness test batteries, little is known about how these field tests compare to 1 repetition maximum (1RM) strength in children. Therefore, the aim of this study was to characterize and identify correlates of muscular strength ...
Zampagni Maria L - - 2008
The aims of this study were to determine in elite master swimmers of both genders whether, using anthropometric variables and the hand grip strength measure, it was possible to predict freestyle performance time, whether the considered predictors were related similarly to different events (50, 100, 200, 400, 800 m), and ...
Nagasawa Yoshinori - - 2008
This study examined age-group and individual differences on the controlled force-exertion test by bar-chart display and proposed a provisional norm in 249 females who were right-handed and ages 15 to 84 years. The subjects matched their submaximal grip strength to changing demand values, appearing as a bar chart on the ...
Starcević-Klasan Gordana - - 2008
In this study iliopsoas muscle strength was measured by portable dynamometer and it was explored to what extent independent predictors (age, body weight, body height and body mass index) affect iliopsoas strength in healthy subjects and in subjects with adolescent idiopathic scoliosis. The study population was consisted of 183 girls ...
Bavcević Tonci - - 2008
The aim of this research was to examine the influences of specially programmed physical education lessons on biomotor development in boys, as well as the influence of those changes on relations between the set of morphological and motor variables and athletic variables for the assessment of sprint and throw abilities. ...
Paalanne Niko - - 2008
STUDY DESIGN: A cross-sectional study on young adults. OBJECTIVE: To evaluate the relationships between low back pain (LBP), maximal isometric trunk muscle strength, and body sway among young adults. SUMMARY OF BACKGROUND DATA: The results of previous studies evaluating the association between trunk muscle strength and LBP are conflicting and ...
Sallinen J - - 2008
AIM: The aim of this study was to compare muscle strength and thickness, body composition and dietary intake between master strength athletes and controls. METHODS: Cross-sectional comparison between: 1) young control men (25.7+/-3.4 y; n=10); 2) middle-aged master athletes (52.1+/-4.7 y; n=9); 3) middle-aged control men (51.9+/-3.1 y; n=11); 4) ...
Chang Jer-Hao - - 2008
Jar opening is commonly viewed as a challenging task for female adults in daily living. The thumb plays a particular role in grasping the jar lid and leading the turning activity through opposition to the other digits. This study measured and compared the force, torque and torque contribution of the ...
Fricke Oliver - - 2008
Previously published data (J Bone Miner Res (2005); 20: 471) did not give evidence that the administration of the nitric oxide precursor L-arginine increases bone formation and decreases bone resorption in postmenopausal women. Data of this trial were reanalysed for putative effects of L-arginine on muscle mass and muscular function. ...
Holm Inger - - 2008
BACKGROUND: A number of studies have reported lower muscular strength of the hamstring and the quadriceps and better postural control in female compared with male athletes. Whether those differences are innate and also exist in children and adolescents or are caused by training and participation in different sports is unknown. ...
Budziareck Michele Berçôt - - 2008
BACKGROUND & OBJECTIVES: To determine reference values and associated factors for handgrip strength among healthy adults. METHODS: Three hundred well nourished (SGA category A) subjects were studied, aged 18-90 years. Handgrip strength (HS) was determined using a hand dynamometer. Adductor pollicis muscle (APM) thickness and other anthropometric variables were also ...
Hwang Kun - - 2008
The aim of this study is to elucidate anatomical detail of the tympanoparotid fascia (TPF), deployed anteroinferiorly to the tragus, in relation to neck lift and platysmaplasty. Forty-one hemifaces of 25 Korean adult cadavers (age range: 43-101 years, 19 males and 6 females) were used for the study. Thirty-seven were ...
Jacobson Bert H - - 2008
Claims of recently developed energy patches suggest that organic nanoscale biomolecular "antennas" produced by L and D-stereoisomers resonate at frequencies in unison with molecules in the cells inducing electron flow to assists in recruiting calcium ions, allowing greater muscle fiber recruitment during muscle contraction. The purpose of the study was ...
Mirarchi Adam J - - 2008
PURPOSE: Distal radioulnar joint (DRUJ) instability can be tested using biomechanical cadaveric models, but inadequate isolation of the DRUJ during instability testing may introduce measurement error. The first goal of this investigation was to develop an effective model for isolating the DRUJ during biomechanical cadaveric testing. The second goal was ...
Kelln Brent M - - 2008
CONTEXT: Hand-held dynamometry (HHD) has been shown to be a reliable, objective way to obtain strength measurements in elderly and physically impaired subjects. OBJECTIVE: To estimate the intratester, intertester, and intersession reliability of HHD testing of lower extremity movements in young, healthy subjects. DESIGN: Repeated measures. SETTING: Sports medicine laboratory. ...
Deschenes Michael R - - 2008
INTRODUCTION: The purpose of this investigation was to determine whether young (21.7 yr) and aged (68.5 yr) men experienced similar responses to 7 d of muscle unloading (N = 10 per group). METHODS: Unilateral lower limb suspension (ULLS) was used to impose muscle unloading of the knee extensors. To compare ...
Nuzzo James L - - 2008
The purpose of this investigation was to determine the relationship between countermovement vertical jump (CMJ) performance and various methods used to assess isometric and dynamic multijoint strength. Twelve NCAA Division I-AA male football and track and field athletes (age, 19.83 +/- 1.40 years; height, 179.10 +/- 4.56 cm; mass, 90.08 ...
Molenaar H M Ties - - 2008
BACKGROUND: The Jamar dynamometer and the Martin vigorimeter, two instruments often used to assess grip strength, have good validity and reliability when employed to evaluate adults. Grip strength measurements are often performed to assess children with hand disorders. However, the reliability of these measurements when used to assess children under ...
Flanagan Eamonn P - - 2008
Ambiguity exists in the literature regarding whether individuals can restore function to 100% after anterior cruciate ligament (ACL) reconstruction. The response of force production and reactive strength in stretch-shortening cycle activities after surgery has not been established. To compare reactive strength and force production capabilities between the involved and uninvolved ...
Macchi Claudio - - 2008
Previous studies have shown that oxidative protein damage is independently associated with low grip strength and that dietary intake and circulating levels of antioxidant vitamins are positive predictors of muscle strength among older persons. Since uric acid (UA), has strong antioxidant properties, we tested the hypothesis that UA levels is ...
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