scholarly journals A pilot study comparing ergonomics in laparoscopy and robotics: beyond anecdotes and subjective claims

2019 ◽  
Author(s):  
Li-Jen Kuo ◽  
James Chi-Yong Ngu ◽  
Yen-Kuang Lin ◽  
Chia-Che Chen
Keyword(s):  
Pilot Study ◽  
Muscle Fatigue ◽  
Grip Strength ◽  
Operative Procedure ◽  
Hand Grip Strength ◽  
Hand Grip ◽  
Hand Dexterity ◽  
Significant Difference ◽  
The Difference ◽  
Surgeon Performance

Abstract Background: Minimally-invasive surgery has been shown to more demanding on the surgeon than open surgery. This can be manifested as physical fatigue and impaired dexterity, affecting the performance of the surgeon. In this study, we aimed to use hand dexterity and grip strength test as objective measures to compare the difference in surgeon fatigue associated with robotic and laparoscopic colorectal surgery. Methods: A pilot study was conducted between February 2019 and May 2019, recruiting consecutive colorectal patients operated on by a single surgeon using laparoscopy or robotics. We used the Purdue Pegboard Test (PBT) to assess hand dexterity, and the Camry Electronic Handgrip Dynamometer to assess hand grip strength. Before each operative procedure, the surgeon was tasked to perform both tests in a standardized sequence. These tests were repeated two hours into surgery.Results: Eighteen patients were operated on, including 10 robotic and 8 laparoscopic cases. Statistical analysis revealed no difference in dexterity or muscle fatigue after operating with the robot. In contrast, there was a significant difference in the hand grip strength of both hands after laparoscopic surgery (P = 0.04 and 0.02, respectively).Conclusions: Our results show that the resultant fatigue after laparoscopy affects both hands of the surgeon. In contrast, there was no difference in dexterity or muscle fatigue after operating with the robot. Given the demands of complex colorectal surgeries, robotics may be a means of optimizing surgeon performance by reducing fatigue.

scholarly journals A pilot study comparing ergonomics in laparoscopy and robotics: beyond anecdotes, and subjective claims

2020 ◽  
Vol 2020 (2) ◽  
Author(s):  
Li-Jen Kuo ◽  
James Chi-Yong Ngu ◽  
Yen-Kuang Lin ◽  
Chia-Che Chen ◽  
Yue-Her Tang
Keyword(s):  
Muscle Fatigue ◽  
Grip Strength ◽  
Laparoscopic Colorectal Surgery ◽  
Hand Grip Strength ◽  
Hand Grip ◽  
Hand Dexterity ◽  
Significant Difference ◽  
The Difference ◽  
Surgeon Performance ◽  
And Robotics

Abstract We aimed to use hand dexterity and grip strength test as objective measures to compare the difference in surgeon fatigue associated with robotic and laparoscopic colorectal surgery. We used the Purdue Pegboard Test to assess hand dexterity and the Camry Electronic Handgrip Dynamometer to assess hand grip strength. Eighteen patients were operated on, including 10 robotic and 8 laparoscopic cases. Statistical analysis revealed no difference in dexterity or muscle fatigue after operating with the robot. In contrast, there was a significant difference in the hand grip strength of both hands after laparoscopic surgery. Our results show that the resultant fatigue after laparoscopy affects both hands of the surgeon. In contrast, there was no difference in dexterity or muscle fatigue after operating with the robot. Given the demands of complex colorectal surgeries, robotics may be a means of optimizing surgeon performance by reducing fatigue.

scholarly journals Physical activity in the classroom to prevent childhood obesity: a pilot study in Santiago, Chile

2017 ◽  
Vol 6 ◽  
Author(s):  
Francisco Mardones ◽  
Pilar Arnaiz ◽  
Johana Soto-Sánchez ◽  
Juana Saavedra ◽  
Angélica Domínguez ◽  
...  
Keyword(s):  
Physical Activity ◽  
Blood Pressure ◽  
Pilot Study ◽  
Grip Strength ◽  
Statistical Power ◽  
Physical Activity Intervention ◽  
Hand Grip Strength ◽  
Control Group ◽  
High Waist Circumference ◽  
Hand Grip

AbstractThis paper describes a 4-month pilot study that tested the suitability of a physical activity intervention for first graders (children aged 6 and 7 years) in a public school in Santiago, Chile. Teachers were trained to deliver the programme in the classroom during the school day. Teachers were surveyed to determine if this intervention fit within their curriculum and classroom routines and they reported in a focus group that it was suitable for them. All children actively participated in the programme and positive changes in their attitudes towards physical activity were observed by their teachers. Anthropometrics, blood pressure and hand grip strength were measured in the students. A significant reduction was observed in children with high waist circumference ≥ 90th percentile, and in mean systolic blood pressure. However, statistical power values for those comparisons were rather low. Anthropometry and hand grip strength were not modified. The latter calculations and the lack of a control group are showing the weaknesses of this pilot study and that further research with a larger sample size and an experimental design is strongly needed.

scholarly journals Effect of grip size and grip strength on pistol marksmanship in police officers: A pilot study

2021 ◽  
Vol 26 (1) ◽  
pp. 61-72
Author(s):  
Robin Orr ◽  
Anthony Rofe ◽  
Ben Hinton ◽  
Jay Dawes ◽  
Gianpiero Greco ◽  
...  
Keyword(s):  
Pilot Study ◽  
Grip Strength ◽  
Police Officers ◽  
Influencing Factor ◽  
Hand Grip Strength ◽  
Stationary Target ◽  
Hand Grip ◽  
Significant Relationships ◽  
Hand Size ◽  
Self Defence

Police officers may be required to use their firearms in self-defence. The purpose of this study was to evaluate the relationships between hand grip size and strength with pistol shooting accuracy in police officers. Twelve (age = 38.08 ± 6.24 years; height = 174.42 ± 7.33 cm) police officers had their hand sizes (palm width and hand span) and hand grip strength measured. Handgrip dynamometer was set at a Glock 17 pistol's grip width (50 mm). The officers fired 10 rounds from their service pistols at a stationary target. Independent samples t-tests were performed to identify differences between the sexes. Correlations were used to investigate relationships between measures of hand size, strength, and marksmanship. Alpha levels were set at p < 0.05. Male officers were significantly stronger (p = 0.01) and had a bigger hand width (p = 0.03), but not hand span. There were no significant differences in marksmanship between the sexes. Neither hand size nor grip strength had a significant impact on marksmanship even though there were strong and significant relationships between hand size (span and MCP) and grip strength. A V-shaped curve appears to exist between grip strength and marksmanship and hand span and marksmanship, with a potential influencing factor being the standard sizing of the pistol grip.

A pilot study investigating the effect of pedalling exercise during dialysis on 6-min walking test and hand grip and pinch strength

2019 ◽  
Vol 42 (4) ◽  
pp. 161-166 ◽  
Author(s):  
Manasi Desai ◽  
Ahmed Mohamed ◽  
Andrew Davenport
Keyword(s):  
Body Composition ◽  
Pilot Study ◽  
Grip Strength ◽  
Muscle Function ◽  
Exercise Programme ◽  
Hand Grip Strength ◽  
Pinch Strength ◽  
Cycling Exercise ◽  
Walking Test ◽  
Hand Grip

Introduction: Haemodialysis patients are at an increased risk of sarcopenia. Physical inactivity is now recognised as a major cause of muscle wasting in haemodialysis patients. It is unclear as to what and how much exercise is required to show benefit. We therefore performed a pilot study of cycling during haemodialysis. Methods: Patients underwent a progressive submaximal individualised cycling exercise, 3× a week during haemodialysis for 4 months using bed-cycle ergometers. Body composition was measured by multifrequency segmental bioimpedance and muscle function by 6-min walking test, and hand grip strength and pinch strength. Results: In total, 56% of patients in a dialysis centre fulfilled exercise study inclusion criteria and 13 (72.2%) of 18 patients completed the exercise programme, with the mean age of 64.0 ± 16.6 years and 76.9% being male. The 6-min walking test increased following exercise from 349 ± 105 to 398 ± 94.2 m, p < 0.05, as did both hand grip strength and pinch strength, with 20.4 ± 9.1 versus 23.4 ± 9.9 kg, p < 0.01, and 4.3 ± 1.8 versus 5.9 ± 2.4 kg, p < 0.05, respectively. There were no changes in appendicular muscle mass or other body composition detected with bioimpedance in either the exercise group, or 21 control patients, propensity matched for body composition, comorbidity and frailty. Muscle strength did not change in the control group. Haemodialysis sessional Kt/Vurea was greater at the end of the exercise programme compared to controls (1.63 ± 0.63 vs 1.21 ± 0.12, p < 0.01). Conclusion: The majority of dialysis centre patients met our exercise study entry criteria and could potentially benefit from cycling during haemodialysis. We found that muscle function and strength improved after a 4-month, thrice weekly cycling exercise programme.

The Effect of Ring Finger Distal Interphalangeal Joint Stiffness on Grip Strength: A Simulated Study in Normal Participants

2020 ◽  
Vol 25 (03) ◽  
pp. 296-300
Author(s):  
Robert J. Lambert ◽  
Thomas FM. Yeoman ◽  
Chaoyang Wang ◽  
Jaime Grant ◽  
Philippa A. Rust
Keyword(s):  
Grip Strength ◽  
Ring Finger ◽  
Significant Loss ◽  
Hand Grip Strength ◽  
Interphalangeal Joint ◽  
Rank Test ◽  
Distal Interphalangeal Joint ◽  
Hand Grip ◽  
Significant Difference ◽  
Distal Interphalangeal

Background: Pain of the hand distal interphalangeal joints may result from trauma, osteoarthritis or inflammatory arthritis. When symptoms are not controlled by non-operative means, surgical arthrodesis may be performed, resulting in complete stiffness of the joint and possible weakening of grip strength. This study aims to quantify the effect of a stiff ring finger distal interphalangeal joint on overall grip strength. Methods: One hundred participants were screened to exclude upper limb pathology. A Jamar dynamometer was used to assess overall hand grip strength. A splint was used to prevent distal interphalangeal joint flexion, thus replicating a fused distal interphalangeal joint. Participants were tested with and without the splint and the results compared. The mean of three grip strength tests was taken. Results: The participants included 55 females. Mean age was 31 (18–60 years). 76 participants had a reduction in grip strength with splinting, with a significant difference seen (p < 0.05) on Wilcoxon signed rank test. The median reduction in grip strength with splinting was 1.67 kg. However only 10 participants (10%) had a grip strength loss of greater than 6.5 kg, which is the minimal clinically important difference. Conclusions: This study found a significant loss in overall hand grip strength when the ring finger distal interphalangeal joint was stiffened. However, despite this significant change, only 10 (10%) participants experienced a reduction of greater than 6.5 kg. This is the level of weakness felt to be required to reduce function. Thus our results suggest that 90% of patients with a stiff ring finger distal interphalangeal joint are unlikely to have a clinically identifiable functional reduction in grip strength as a result.

scholarly journals Diet preference with regional variation of body mass index and hand grip strength of Indian females

2013 ◽  
Vol 4 (3) ◽  
pp. 43-51 ◽  
Author(s):  
Lalhmunlien Robert Varte ◽  
Shweta Rawat ◽  
Inderjeet Singh ◽  
Madhu Sudan Pal ◽  
Dhurjati Majumdar
Keyword(s):  
Body Composition ◽  
Grip Strength ◽  
Body Mass ◽  
Food Composition ◽  
Hand Grip Strength ◽  
T Test ◽  
Fat Free Mass ◽  
Hand Grip ◽  
Significant Difference ◽  
Composition Structure

Introduction: Nutritional content of diet of vegetarian and non-vegetarian differs in terms of food composition and vegetarian diets are often low in protein, probably causing a difference in body composition, structure and strength characteristics. Purpose of study: To study anthropometric, body composition and hand strength differences among 641 vegetarian and 424 non-vegetarian Indian women, aged 20–60 yrs. Methods: ANOVA, t-test, multivariable stepwise regression and logistic regressions were performed to analyse association between BMI, hand grip strength and potential confounders using SPSS Version 17 for Windows. p < 0.05 referred to as statistically significant. Results: Vegetarians had less body fat than non-vegetarians. Statistically significant difference was found in their grip strength (GS) (t = 2.459, p < 0.05) and BMI (t = 2.188, p < 0.05). Height and weight were positively associated with grip strength in the vegetarian group while height and fat free mass were seen to be positively associated with grip strength in the non-vegetarian group. Grip strength was greater in non-vegetarian group and the vegetarians had lower BMI (25.33 kg/mt2 ± 4.56) than nonvegetarians (25.95 kg/mt2 ± 4.45, t-test = 2.188, p<0.05). Conclusion: Those with greater grip strength (non-vegetarian group) had greater chance of being obese than those with lower grip strength (vegetarian group). (OR = 2.609, 95% CI 1.487 - 4.577). However, lower levels of body mass indices of the vegetarian women suggest that they are healthier than non-vegetarians in terms of BMI.  DOI: http://dx.doi.org/10.3126/ajms.v4i3.8096   Asian Journal of Medical Sciences 4(2013) 43-51

scholarly journals Association of Water Intake with Hand Grip Strength in Community-Dwelling Older Adults

Nutrients ◽  
2021 ◽  
Vol 13 (6) ◽  
pp. 1756
Author(s):  
Hyeonmok Kim ◽  
Sun Hee Beom ◽  
Tae Ho Kim ◽  
Beom-Jun Kim
Keyword(s):  
Older Adults ◽  
Muscle Strength ◽  
Grip Strength ◽  
Water Intake ◽  
Population Based ◽  
Hand Grip Strength ◽  
Community Dwelling ◽  
Cross Sectional ◽  
Hand Grip ◽  
The Difference

Although recent clinical studies have suggested that water intake enhances muscle mass, its impact on muscle strength remain unclear, especially in older adults. This cross-sectional, population-based study using a representative sample of Koreans investigated the relationship of water intake with hand grip strength (HGS) in 4443 older adults, including 2090 men aged ≥50 years and 2253 postmenopausal women. A digital grip strength dynamometer was used for HGS assessment. Low muscle strength was defined by the Korean-specific HGS cut-off value and adequate water intake was defined according to the Korean dietary reference intakes. In an unadjusted model, water intake was significantly higher in men and women without than with low muscle strength (both p < 0.001), but this difference disappeared after adjustment for confounding variables in both men (p = 0.050) and women (p = 0.245). Similarly, the correlation between water intake and HGS, the difference in HGS depending on adequate water intake status, and the risk of low muscle strength depending on water intake quartile were significant only in the unadjusted model. These data indicate that factors such as age, body size, and resistance exercise contribute to improvements in HGS in older adults, whereas water intake may not.

scholarly journals Sustained effect of resistance training on blood pressure and hand grip strength following a detraining period in elderly hypertensive women: a pilot study

2014 ◽  
pp. 219 ◽  
Author(s):  
Dahan da Cunha Nascimento ◽  
Ramires Alsamir Tibana ◽  
Franklin Benik ◽  
Keila Elizabeth Fontana ◽  
Frederico Ribeiro Neto ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Pilot Study ◽  
Resistance Training ◽  
Grip Strength ◽  
Hand Grip Strength ◽  
Hand Grip ◽  
Sustained Effect ◽  
Elderly Hypertensive

scholarly journals Influence of Physical Aspects and Throwing Velocity in Opposition Situations in Top-Elite and Elite Female Handball Players

2018 ◽  
Vol 63 (1) ◽  
pp. 23-32 ◽  
Author(s):  
Carmen Ferragut ◽  
Helena Vila ◽  
Jose Arturo Abraldes ◽  
Carmen Manchado
Keyword(s):  
Grip Strength ◽  
Vertical Jump ◽  
Body Height ◽  
Hand Grip Strength ◽  
Dominant Hand ◽  
Hand Grip ◽  
Arm Span ◽  
Significant Difference ◽  
Student’S T ◽  
The Relationship

Abstract The relationship between anthropometric and physical characteristics of female handball players and throwing velocity is considered an important factor in handball performance. The aim of this study was to examine key differences in anthropometric and fitness characteristics between top elite and elite female players competing in the first Spanish handball league. A total of 89 players from the first Spanish handball league were divided into two groups, top elite (38) and elite (51) players, and assessed for anthropometric and fitness characteristics (throwing velocity, vertical jump and hand grip strength). A Student’s t-test was used to determine whether a statistically significant difference between the two different levels of play occurred. Significant differences were found in age, body height, body mass, arm span, muscle mass, different girths (tensed and flexed arm, forearm, wrist, ankle), dominant hand width and length, different breadths (biacromial, bitrochanteric, bistyloid breadth and biepicondylar humerus) and fitness characteristics (hand grip strength and throwing velocity for different positions). Top elite players compared to elite players showed differences in anthropometric characteristics which were mainly located in the upper limbs and mostly were nonmodifiable aspects by training. Furthermore, the best players were able to maintain a high throwing velocity in different tactical situations.

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