Validity and reliability of torso- versus waist-worn inertial measurement units in the assessment of vertical jumps.

The aim of the current study was to compare the reliability and validity of jump variables determined from torso- and waist-worn inertial measurement units (IMU) in comparison to force platform measures. Twenty-seven students-athletes completed eight countermovement (CMJ) and squat jumps (SJ) on a force platform with IMUs mounted on the pelvis and torso. Variables including jump height and phase-specific duration, impulse and power were calculated from force platform and both IMUs independently.

Rise of the robots: implementing robotic surgery into the acute care surgery practice.

Objectives: Acute Care Surgery (ACS) admissions and procedures are substantially increasing. ACS disproportionally accounts for a majority of morbidity and mortality among surgical patients. Minimally invasive techniques are associated with improved outcomes and shorter hospital length of stay within the ACS population.

Contemporary Practices of Strength and Conditioning Coaches in High-Level Male Ice Hockey: A Survey-Based Investigation.

Galati, D, Turner, AN, Bishop, C, and Maloney, SJ. Contemporary practices of strength and conditioning coaches in high-level male ice hockey: a survey-based investigation. J Strength Cond Res 37(11): 2241-2250, 2023-The aim of this study was to provide an updated view of the common practices, ideologies, education level, and professional environment of strength and conditioning (S&C) coaches in elite male ice hockey.

Effect of a dedicated PI-QUAL curriculum on the assessment of prostate MRI quality.

Purpose: The Prostate Imaging Quality (PI-QUAL) score is a metric to evaluate the diagnostic quality of multiparametric magnetic resonance imaging (MRI) of the prostate. This study evaluated the impact of a prostate MRI quality training lecture on the participant's ability to assess prostate MRI image quality.

Methods: Eighteen in-training-radiologists of varying experience in reviewing diagnostic prostate MRI assessed the image quality of ten examinations.

A Mathematical Model for Determining the Body's Fluctuating Need for and Synthesis of Active Vitamin D.

The process by which 1,25(OH)D is synthesized and degraded and how it is transported out of the cell and body is described. The changing demand for the synthesis of 1-25(OH)D during different conditions experienced by the body is reviewed. A method of determining 1,25(OH)D synthesis and demand, and the percent utilization of 25(OH)D to make 1,25(OH)D is presented based on the measurement of the end metabolites of 1,25(OH)D and of its immediate precursor, 25(OH)D.

Scleral Buckling for Primary Retinal Detachment: Outcomes of Scleral Tunnels versus Scleral Sutures.

Purpose: There are primarily two techniques for affixing the scleral buckle (SB) to the sclera in the repair of rhegmatogenous retinal detachment (RRD): scleral tunnels or scleral sutures.

Methods: This retrospective study examined all patients with primary RRD who were treated with primary SB or SB combined with vitrectomy from January 1, 2015 through December 31, 2015 across six sites. Two cohorts were examined: SB affixed using scleral sutures versus scleral tunnels.

Effects of a Competitive Soccer Match on Jump Performance and Interlimb Asymmetries in Elite Academy Soccer Players.

Bromley, T, Turner, A, Read, P, Lake, J, Maloney, S, Chavda, S, and Bishop, C. Effects of a competitive soccer match on jump performance and interlimb asymmetries in elite academy soccer players. J Strength Cond Res 35(6): 1707-1714, 2021-The purpose of this study was to investigate the effects of a competitive soccer match on jump performance and interlimb asymmetries over incremental time points during a 72-hour period.

Perceived Health Risks Among Firefighters; The New Jersey Firefighter Health Survey.

Objective: There is a growing literature on the risk of chronic disease among firefighters, including cardiovascular disease (CVD) and cancer. However there is little information on firefighter's perception thereof.

Methods: Firefighters attending a union convention in New Jersey completed a survey with four domains: firefighting experience; perceived additional risk for chronic diseases (six-point Likert scale); cancer screening history; demographics, and risk behaviors.

The Obesity Paradox in Emergency General Surgery Patients.

Background: Operative management of emergency general surgery (EGS) diagnoses involves a range of procedures which can carry high morbidity and mortality. Little is known about the impact of obesity on patient outcomes. The aim of this study was to examine the association between body mass index (BMI) >30 kg/m and mortality for EGS patients.

Does a Loaded Warm-Up Influence Jump Asymmetry and Badminton-Specific Change of Direction Performance?

Purpose: Previously, it has been shown that loaded warm-up (LWU) can improve change-of-direction speed (CODS) in professional badminton players. However, the effect of asymmetry on CODS in badminton players and the influence of LWU on asymmetry has not been examined.

Methods: A total of 21 amateur badminton players (age 29.

The relationship between vertical stiffness during bilateral and unilateral hopping tests performed with different strategies and vertical jump performances.

Vertical stiffness has been highlighted as a potential determinant of performance and may be estimated across a range of different performance tasks. The aim of the current study was to investigate the relationship between vertical stiffness determined during 9 different hopping tests and performance of vertical jumps. Twenty healthy, active males performed vertical hopping tests with three different strategies (self-selected, maximal, and controlled) and three different limb configurations (bilateral, unilateral preferred, and unilateral non-preferred), resulting in nine different variations, during which vertical stiffness was determined.

Train the Engine or the Brakes? Influence of Momentum on the Change of Direction Deficit.

Purpose: Currently, it is unclear which physical characteristics may underpin the change of direction deficit (COD-D). This investigation sought to determine if momentum, speed-, and jump-based measures may explain variance in COD-D.

Methods: Seventeen males from a professional soccer academy (age, 16.

Surgical Outcomes of Primary RRD With and Without Concurrent Full-Thickness Macular Hole (PRO Study Report No. 7).

Background And Objective: Non-causal macular holes (MHs) can occur concurrently with rhegmatogenous retinal detachments (RRDs). The visual outcomes and surgical approach for these eyes are variable.

Patients And Methods: This was a multi-institutional, retrospective review of all primary retinal detachment surgeries from January 1, 2015, through December 31, 2015.

A qualitative study of community perspectives surrounding cleaning practices in the context of Zika prevention in El Salvador: implications for community-based Aedes aegypti control.

Background: In El Salvador, Aedes aegypti mosquitoes transmitting Zika and other arboviruses use water storage containers as important oviposition sites. Promotion of water storage container cleaning is a key element of prevention programs. We explored community perceptions surrounding cleaning practices among pregnant women, male partners of pregnant women, and women likely to become pregnant.

The CELIOtomy Risk Score: An effort to minimize futile surgery with analysis of early postoperative mortality after emergency laparotomy.

Background: Emergency surgical services often encounter patients with generalized peritonitis. Difficult perioperative decisions impact morbidity, mortality, cost, and utilization of hospital resources. The ability to preoperatively predict patient nonsurvival despite surgical intervention using clinical physiologic indicators was the aim of this study and would be helpful in counseling patients/families.

Low Vitamin D States Observed in U.S. Marines and Navy Sailors with Early Multi-Symptom Illness.

Research has implicated immune system inflammation as an underlying etiology of multi-symptom illnesses, and vitamin D has been shown to have a significant role in immune system function. In this retrospective review performed on the medical charts of service members who presented with signs and symptoms of multi-symptom illnesses, we focused on serum 25(OH)D levels and looked for associations of vitamin D status (deficient, insufficient, and normal) with age (20-31 years versus 31-56 years) and deployment status (war zones versus other). Two groups (U.

Impact of contact versus non-contact wide-angle viewing systems on outcomes of primary retinal detachment repair (PRO study report number 5).

Background/aims: Vitrectomy to repair retinal detachment is often performed with either non-contact wide-angle viewing systems or wide-angle contact viewing systems. The purpose of this study is to assess whether the viewing system used is associated with any differences in surgical outcomes of vitrectomy for primary non-complex retinal detachment repair.

Methods: This is a multicenter, interventional, retrospective, comparative study.

Surgery Resident Time Consumed by the Electronic Health Record.

Objective: Time spent on the Electronic Health Record (EHR) influences surgical residents' clinical availability. Objective data assessing EHR usage among surgical residents are lacking and necessary.

Design/participants: Active EHR usage data for 70 surgical residents were collected from April 2015 through April 2016.

The impact of weight change on intra-abdominal and hernia volumes.

Background: Weight loss is often encouraged or required before open ventral hernia repair. This study evaluates the impact of weight change on total, intra-abdominal, subcutaneous, and hernia volume.

Methods: Patients who underwent open ventral hernia repair from 2007 to 2018 with two preoperative computed tomography scans were identified.

Jump and Change of Direction Speed Asymmetry Using Smartphone Apps: Between-Session Consistency and Associations With Physical Performance.

Bishop, C, Perez-Higueras Rubio, M, Gullon, IL, Maloney, S, and Balsalobre-Fernandez, C. Jump and change of direction speed asymmetry using smartphone apps: between-session consistency and associations with physical performance. J Strength Cond Res 36(4): 927-934, 2022-The aims of this study were to (a) quantify the magnitude and direction of asymmetry from jump and change of direction speed (CODS) tests and (b) determine the relationship between these asymmetries and jump and CODS performance, in a test-retest design.

The role of gender in Zika prevention behaviors in the Dominican Republic: Findings and programmatic implications from a qualitative study.

Background: Zika remains an epidemiological threat in Latin America, including the Dominican Republic. Although transmitted by the same mosquito as Dengue and Chikungunya, Zika is unique in the potentially harmful consequences for babies born to women infected during pregnancy. Experts highlight the feminization of Zika, in terms of burden of disease and women's caregiving responsibilities.

Community Perspectives on Zika Virus Disease Prevention in Guatemala: A Qualitative Study.

Zika virus, which is transmitted by mosquitoes and through sexual transmission, disproportionally affects the human fetus. Guatemala experienced a surge of Zika cases beginning in 2016. We conducted a qualitative study of community perceptions of the seriousness of Zika, as well as the effectiveness, feasibility, and collective efficacy of Zika prevention actions.