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Weight Velocity

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1. Assessment of the load-velocity profile in the free-weight prone bench pull exercise through different velocity variables and regression models. (PubMed)

Assessment of the load-velocity profile in the free-weight prone bench pull exercise through different velocity variables and regression models. This aims of this study were (I) to determine the velocity variable and regression model which best fit the load-velocity relationship during the free-weight prone bench pull exercise, (II) to compare the reliability of the velocity attained at each percentage of the one-repetition maximum (1RM) between different velocity variables and regression (...) models, and (III) to compare the within- and between-subject variability of the velocity attained at each %1RM. Eighteen men (14 rowers and four weightlifters) performed an incremental test during the free-weight prone bench pull exercise in two different sessions. General and individual load-velocity relationships were modelled through three velocity variables (mean velocity [MV], mean propulsive velocity [MPV] and peak velocity [PV]) and two regression models (linear and second-order polynomial

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2019 PLoS ONE

2. Neonatal growth velocity of preterm infants: The weight Z-score change versus Patel exponential model. (PubMed)

Neonatal growth velocity of preterm infants: The weight Z-score change versus Patel exponential model. Different methods are used to assess the growth of preterm infants during neonatal hospital stay. The primary objective was to compare two methods for assessing growth velocity: g/kg/d according to the Patel exponential model (EM) and change in weight z-score (ZS) according to Fenton curves. The secondary objective was to highlight factors influencing the level of agreement between the two (...) , and as disagreement otherwise.Among the 3954 children included, we observe a fair agreement in 2471 children (62.5%), a poor agreement in 1278 (32.3%) and a disagreement in 205 children (5.2%). Birth weight and gestational age explained 31% and 25%, respectively, of the variance in the difference between the two methods.In more than a third of enrolled children, the two methods for measuring growth velocity disagreed substantially. As variation of weight Z-score takes into account infant gestational age

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2019 PLoS ONE

3. Regaining body weight after weight reduction further increases pulse wave velocity in obese men with metabolic syndrome. (PubMed)

Regaining body weight after weight reduction further increases pulse wave velocity in obese men with metabolic syndrome. Subjects with metabolic syndrome (MetS) or obesity have worse arterial stiffness. However, there have been no studies addressing time-sequential changes in pulse wave velocity (PWV) after weight loss and then regaining weight in obese non-diabetic men with MetS.We prospectively enrolled 40 obese, non-diabetic men with MetS undergoing a 3-month weight reduction program (...) . Another 26 lean and healthy men were recruited for comparisons. Oral glucose tolerance test and brachial ankle (ba) PWV were assessed in study subjects. Eighteen obese non-diabetic MetS and 15 lean control subjects had follow-ups at the 60th month.The body weight of obese MetS decreased from 94.8 ± 7.6 to 86.1 ± 9.0 (N = 18, P < .001) after a 3-month weight reduction program but regained gradually thereafter to 93.6 ± 11.6 kg at the 60th month (P < .001 versus 3rd month). baPWV decreased after weight

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2018 Medicine

4. Accuracy of preterm infant weight gain velocity calculations vary depending on method used and infant age at time of measurement. (PubMed)

Accuracy of preterm infant weight gain velocity calculations vary depending on method used and infant age at time of measurement. We examined preterm infants' weight gain velocity (WGV) to determine how much calculation methods influences actual WGV during the first 28 days of life.WGV methods (Average 2-point, Exponential 2-point, Early 1-point, and Daily) were calculated weekly and for various start times (birth, nadir, regain, day 3 and day 7) to 28 days of age for 103 preterm < 1500 gram (...) infants, with daily weights.Range of WGV estimates decreased 10-22 g/kg/day to 15.5-15.8 g/kg/day when the Early 1-point method and the postnatal weight loss phase were excluded. WGV were lower when the postnatal weight loss was included and higher using the early method. WGV calculations beginning at day 7 did not differ from calculations beginning at the nadir.Variations in WGV calculations were large enough to create difficulties for comparing results between studies and translating research

2019 Pediatric Research

5. Weight-for-length, early weight-gain velocity and atopic dermatitis in infancy and at two years of age: a cohort study. (PubMed)

Weight-for-length, early weight-gain velocity and atopic dermatitis in infancy and at two years of age: a cohort study. Overweight and atopic dermatitis (AD) are major health problems in most industrialised countries, but the relationship between overweight and AD in infants and young children is unclear. We investigated if weight-for-length at birth, in infancy and at two years, as well as early weight-gain velocity, are associated with the development of AD in early life.Cohort study (...) of infants (n = 642), all living in south-east Norway, hospitalized with acute bronchiolitis (n = 404) or recruited from the general population (n = 238), examined at mean age 5.1 months (enrolment) and at a two-year follow-up visit (n = 499; 78%) at mean age 24.6 months. Exposures were weight-for-length (g/cm) at birth, enrolment and two-year follow-up, and early weight-gain velocity (gram/month from birth to enrolment). Excessive weight-for-length was defined as weight-for-length >95th percentile

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2017 BMC Pediatrics

6. Effects of light-load maximal lifting velocity weight training vs. combined weight training and plyometrics on sprint, vertical jump and strength performance in adult soccer players. (PubMed)

Effects of light-load maximal lifting velocity weight training vs. combined weight training and plyometrics on sprint, vertical jump and strength performance in adult soccer players. The purpose of this study was to compare the effects of combined light-load maximal lifting velocity weight training (WT) and plyometric training (PT) with WT alone on strength, jump and sprint performance in semiprofessional soccer players.Experimental, pre-post tests measures.Thirty adult soccer players were (...) randomly assigned into three groups: WT alone (FSG, n=10), WT combined to jump and sprint exercises (COM, n=10) and control group (CG, n=10). WT consisted of full squat with low load (∼45-60% 1RM) and low volume (4-6 repetitions). Training program was performed twice a week for 6 weeks of competitive season in addition to 4 soccer sessions a week. Sprint time in 10 and 20m, jump height (CMJ), estimated one-repetition maximum (1RMest) and velocity developed against different absolute loads in full squat

2017 Journal of Science and Medicine in Sport

7. Effect of a 6-Week Weighted Baseball Throwing Program on Pitch Velocity, Pitching Arm Biomechanics, Passive Range of Motion, and Injury Rates. (PubMed)

Effect of a 6-Week Weighted Baseball Throwing Program on Pitch Velocity, Pitching Arm Biomechanics, Passive Range of Motion, and Injury Rates. Emphasis on enhancing baseball pitch velocity has become popular, especially through weighted-ball throwing. However, little is known about the physical effects or safety of these programs. The purpose of this study was to examine the effects of training with weighted baseballs on pitch velocity, passive range of motion (PROM), muscle strength, elbow (...) torque, and injury rates.A 6-week weighted ball training program would result in a change in pitching biomechanical and physical characteristics.Randomized controlled trial.Level 1.During the baseball offseason, 38 healthy baseball pitchers were randomized into a control group and an experimental group. Pitch velocity, shoulder and elbow PROM, shoulder strength, elbow varus torque, and shoulder internal rotation velocity were measured in both groups. The experimental group then performed a 6-week

2018 Sports health

8. The effect of a short course of moderate pressure sunflower oil massage on the weight gain velocity and length of NICU stay in preterm infants. (PubMed)

The effect of a short course of moderate pressure sunflower oil massage on the weight gain velocity and length of NICU stay in preterm infants. The aim of this study was to evaluate the efficacy of five-day course of sunflower oil massage with moderate pressure on the weight gain and length of NICU stay in preterm infants.Forty-four healthy preterm infants with a corrected gestational age of 30-36 weeks at the time of the study, were randomly assigned to the study group receiving body massage (...) with sunflower oil and the control group receiving only routine NICU care. The massage was performed three times per day, each session including three consecutive five-minute stages, for five days. The primary outcome was to evaluate the efficacy of a short course of moderate pressure sunflower oil massage on the weight gain velocity. The secondary outcome was to compare the length of NICU stay between the two groups.During the study period, the increase in the average daily and fifth-day weight gain

2018 Infant behavior & development

9. Test-Retest Reliability Between Free Weight and Machine-Based Movement Velocities. (PubMed)

Test-Retest Reliability Between Free Weight and Machine-Based Movement Velocities. Miller, RM, Freitas, EDS, Heishman, AD, Koziol, KJ, Galletti, BAR, Kaur, J, and Bemben, MG. Test-retest reliability between free weight and machine-based movement velocities. J Strength Cond Res XX(X): 000-000, 2018-Several devices are available to measure muscular power through velocity measurement, including the Tendo FitroDyne. The ability for such devices to produce consistent results is still questioned (...) , and the reproducibility of measurement between free weight and machine exercise has yet to be examined. Therefore, the aim of this investigation was to determine the test-retest reliability for barbell velocity during the bench press (BP) and weight velocity during the 2 leg press (2LP) for loads corresponding to 20-80% of 1 repetition maximum (1RM). Forty recreationally active individuals (22.6 ± 2.5 years; 175.9 ± 10.8 cm; and 76.2 ± 13.2 kg) with a 1RM BP and 2LP of 66.8 ± 32.4 kg and 189.5 ± 49 kg, respectively

2018 Journal of Strength And Conditioning Research

10. Validity of Critical Velocity Concept for Weighted Sprinting Performance (PubMed)

Validity of Critical Velocity Concept for Weighted Sprinting Performance We investigated the validity of a recently developed equation for predicting sprinting times of various tactical loads based upon the performance of a running 3-min all-out exercise test (3MT). Thirteen recreationally trained participants completed the running 3MT to determine critical velocity (CV) and finite running capacity for running velocities exceeding CV (D'). Two subsequent counterbalanced loaded sprints of 800 (...) and 1000 m distances with 20 and 15% of their body mass, respectively, were evaluated. Estimated times (t, sec) for running 800 and 1000 m with a tactical load was derived using t = (D - D')/CV. Critical velocity adjusted for an added load using the following regression equation: original CV + (-0.0638 × %load) + 0.6982, D was 800 or 1000 m, and whole percentage load was ~15 or 20% of the participant's body mass. From the 3MT, CV (3.80 ± 0.5 m·s-1) and D' (200 ± 49.88 m) values were determined

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2018 International journal of exercise science

11. Time interval for preterm infant weight gain velocity calculation precision. (PubMed)

Time interval for preterm infant weight gain velocity calculation precision. Calculation of weight gain velocity is used to guide nutrition and fluid management practices in neonatal intensive care units. Calculations over short time periods may be more responsive to management changes, but less precise. Weight gain velocity calculated over 5 to 7+ days have lower variability and less noise than shorter periods.© Author(s) (or their employer(s)) 2019. No commercial re-use. See rights

2018 Archives of Disease in Childhood. Fetal and Neonatal Edition

12. Effects of weighted baseball throwing during warm-up on ball velocity and upper extremity muscle activation in baseball pitchers (PubMed)

Effects of weighted baseball throwing during warm-up on ball velocity and upper extremity muscle activation in baseball pitchers The objective of this study was to investigate the changes in the muscle activation of high school and college baseball pitchers during throwing of the ball with maximum effort (TBME) using a regular baseball (RB) subsequent to using a light baseball (LB), RB, and overweight baseball (OB) during warm-up (WU) and the resulting changes in the pitch velocity. The study (...) with an RB or OB and when pitching with an RB than with an OB. However, there were no significant differences in the ball velocity when pitching with an RB during TBME. In conclusion, WU using weighted baseballs resulted in varying muscle activations, and although the velocity decreased when pitching with an OB, no difference was found during TBME using an RB. Therefore, it is believed that using weighted baseballs during WU does not have an effect on the ball velocity during TBME; future studies

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2018 Journal of exercise rehabilitation

13. Walking velocity and step length adjustments affect knee joint contact forces in healthy weight and obese adults. (PubMed)

Walking velocity and step length adjustments affect knee joint contact forces in healthy weight and obese adults. Knee osteoarthritis is a major public health problem and adults with obesity are particularly at risk. One approach to alleviating this problem is to reduce the mechanical load at the joint during daily activity. Adjusting temporospatial parameters of walking could mitigate cumulative knee joint mechanical loads. The purpose of this study was to determine how adjustments to velocity (...) and step length affects knee joint loading in healthy weight adults and adults with obesity. We collected three-dimensional gait analysis data on 10 adults with a normal body mass index and 10 adults with obesity during over ground walking in nine different conditions. In addition to preferred velocity and step length, we also conducted combinations of 15% increased and decreased velocity and step length. Peak tibiofemoral joint impulse and knee adduction angular impulse were reduced in the decreased

2018 Journal of Orthopaedic Research

14. Predicting Undernutrition at Age 2 Years with Early Attained Weight and Length Compared with Weight and Length Velocity. (PubMed)

Predicting Undernutrition at Age 2 Years with Early Attained Weight and Length Compared with Weight and Length Velocity. To estimate the abilities of weight and length velocities vs attained growth measures to predict stunting, wasting, and underweight at age 2 years.We analyzed data from a community-based cohort study (The Etiology, Risk Factors, and Interactions of Enteric Infections and Malnutrition and the Consequences for Child Health and Development study [MAL-ED] study) in Bhaktapur (...) , Nepal. A total of 240 randomly selected children were enrolled at birth and followed up monthly up to age 24 months. Linear and logistic regression models were used to predict malnutrition at 2 years of age with growth velocity z scores at 0-3, 0-6, 3-6, 6-9, 6-12, and 9-12 months (using the World Health Organization Growth Standards) or attained growth at 0, 3, 6, and 12 months as predictors.At age 2 years, 4% of the children were wasted, 13% underweight, and 21% stunted. Children who were

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2016 Journal of Pediatrics

15. Maternal plasma n-3 and n-6 polyunsaturated fatty acids during pregnancy and features of fetal health: Fetal growth velocity, birth weight and duration of pregnancy. (PubMed)

Maternal plasma n-3 and n-6 polyunsaturated fatty acids during pregnancy and features of fetal health: Fetal growth velocity, birth weight and duration of pregnancy. Maternal fatty acids are essential for fetal growth and development. Here, we examine associations between maternal mid-pregnancy plasma n-3 and n-6 polyunsaturated fatty acids (PUFAs) and fetal health determined by fetal growth velocity, birth weight and duration of pregnancy.Participants were 6974 pregnant women and their infants (...) from a population-based birth cohort, the Generation R Study. Maternal plasma n-3:n-6 PUFA ratio and n-3 and n-6 PUFA percentage in glycerophospholipids in mid-pregnancy were related to fetal growth velocity calculated from repeatedly measured weight, length and head circumference, birth weight, and duration of pregnancy.A higher maternal mid-pregnancy n-3:n-6 PUFA ratio was associated with a higher growth velocity of the fetal weight (β = 0.082 SD-score/week, 95% CI 0.055; 0.108, P < 0.001

2017 Clinical nutrition (Edinburgh, Scotland)

16. Effect of Cyproheptadine on Weight and Growth Velocity in Children with Silver-Russell Syndrome. (PubMed)

Effect of Cyproheptadine on Weight and Growth Velocity in Children with Silver-Russell Syndrome. Nutritional management of children with Silver-Russell syndrome (SRS) is crucial, especially before initiating growth hormone therapy. Since cyproheptadine (CYP) has been reported to be orexigenic, we retrospectively investigated the effects of CYP on changes in weight and height in patients with SRS.Anthropometric parameters (weight [W], length or height [H], weight on expected weight for height [W (...) /H], and body mass index) were recorded for 34 children with SRS receiving CYP. We specifically analyzed the anthropometric parameters (expressed in median) in a group of 23 patients treated with CYP at baseline (M0-CYP) and every 3 months (M3 to M12-CYP) after the initiation of CYP treatment.The 23 children with SRS treated by CYP only had weight stagnation during the months preceding the start of treatment. Anthropometric parameters, especially the weight, differed significantly between M0-CYP

2017 Journal of Pediatric Gastroenterology and Nutrition

17. The effect of kangaroo ward care in comparison with "intermediate intensive care" on the growth velocity in preterm infant with birth weight <1100 g: randomized control trial. (PubMed)

The effect of kangaroo ward care in comparison with "intermediate intensive care" on the growth velocity in preterm infant with birth weight <1100 g: randomized control trial. Kangaroo mother care (KMC) reduces neonatal mortality, neonatal sepsis and improves growth outcome in preterm infants. In this study, we compared the efficacy of "baby care in kangaroo ward (KWC)" with "baby care in intermediate intensive care (IIC)" in stable preterm infants (birth weight <1100 g) for improving (...) the growth velocity till term corrected age. One hundred and forty-one infants were randomized to KWC (n = 71) or IIC (n = 70) once the infant reached a weight of 1150 g. Infants in the KWC group were shifted to the KWC immediately after randomization and those in the IIC group were given care in the IIC till they attained a weight of 1250 g and then shifted to the KWC. The average weight gains as well as weight, length, and head circumference at term corrected age were comparable in both the groups

2016 European journal of pediatrics

18. Effects of ankle joint mobilization with movement and weight-bearing exercise on knee strength, ankle range of motion, and gait velocity in patients with stroke: a pilot study (PubMed)

Effects of ankle joint mobilization with movement and weight-bearing exercise on knee strength, ankle range of motion, and gait velocity in patients with stroke: a pilot study [Purpose] The purpose of this study was to investigate the effects of ankle joint mobilization with movement on knee strength, ankle range of motion, and gait velocity, compared with weight-bearing exercise in stroke patients. [Subjects and Methods] Thirty subjects with chronic stroke were divided into three groups: MWM (...) the MWM group showed significant improvement in passive and active ankle range of motion and gait velocity, among the three groups. [Conclusion] Ankle joint mobilization with movement intervention is more effective than simple weight-bearing intervention in improving gait speed in stroke patients with limited ankle motion.

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2016 Journal of physical therapy science

19. Infant weight growth velocity patterns and general and abdominal adiposity in school-age children. The Generation R Study (PubMed)

Infant weight growth velocity patterns and general and abdominal adiposity in school-age children. The Generation R Study The objective of this study was to examine the association of individually derived infant weight growth velocity patterns with general and abdominal adiposity measures in childhood.In a population-based prospective cohort study among 5126 children, we used repeated growth measurements between 0 and 3 years of age to derive peak weight velocity (PWV), age at adiposity peak

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2016 European journal of clinical nutrition

20. Weight Velocity

Weight Velocity Weight Velocity Toggle navigation Brain Head & Neck Chest Endocrine Abdomen Musculoskeletal Skin Infectious Disease Hematology & Oncology Cohorts Diagnostics Emergency Findings Procedures Prevention & Management Pharmacy Resuscitation Trauma Emergency Procedures Ultrasound Cardiovascular Emergencies Lung Emergencies Infectious Disease Pediatrics Neurologic Emergencies Skin Exposure Miscellaneous Abuse Cancer Administration 4 Weight Velocity Weight Velocity Aka: Weight Velocity (...) II. Definition Child's weight change in grams over 1-2 months is compared to cohort of children of the same age III. Interpretation Weight change <5th percentile suggests Risk IV. Resources WHO Weight Velocity Charts Images: Related links to external sites (from Bing) These images are a random sampling from a Bing search on the term "Weight Velocity." Click on the image (or right click) to open the source website in a new browser window. Related Studies (from Trip Database) Related Topics

2018 FP Notebook

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