- Occupational Health and Performance
- Muscle metabolism and nutrition
- Sports injuries and prevention
- Thermoregulation and physiological responses
- Climate Change and Health Impacts
- Exercise and Physiological Responses
- Sports Performance and Training
- Musculoskeletal pain and rehabilitation
- Lower Extremity Biomechanics and Pathologies
- Nutrition and Health in Aging
- Vitamin D Research Studies
- Diet and metabolism studies
- Cardiovascular and exercise physiology
- Spaceflight effects on biology
- Obesity, Physical Activity, Diet
- Antimicrobial Resistance in Staphylococcus
- Body Composition Measurement Techniques
- Infrared Thermography in Medicine
- Nutritional Studies and Diet
- Sepsis Diagnosis and Treatment
- Renal function and acid-base balance
- High Altitude and Hypoxia
- Biochemical effects in animals
- Adrenal Hormones and Disorders
- Thermal Regulation in Medicine
Royal Hospital Haslar
2014-2024
Ministry of Defence
2024
Ministry of Defence
2007-2024
Royal Navy
2024
Office of Naval Research
2010-2022
Versus Arthritis
2022
University of Oxford
2022
Nuffield Orthopaedic Centre
2022
Wake Forest University
2022
Wilford Hall Ambulatory Surgical Center
2022
The spread of novel SARS-CoV-2 virus, and the disease COVID-19 that is caused by SARS-CoV-2, continues apace. Saving lives slowing worldwide pandemic remain utmost importance to everyone: public, healthcare professionals, scientists, industry governments. It absolutely essential advice given public evidence-based, accurate timely; anything less would mislead has potential cause harm. Popular information channels, such as social media platforms, have been rife with misinformation perpetuated...
Abstract Context Patients with adrenal insufficiency require increased hydrocortisone cover during major stress to avoid a life-threatening crisis. However, current treatment recommendations are not evidence-based. Objective To identify the most appropriate mode of delivery in patients who exposed stress. Design and Participants Cross-sectional study: 122 unstressed healthy subjects 288 different stressors (major trauma [N = 83], sepsis 100], combat 105]). Longitudinal 22 preserved function...
The main aim of this study was to compare the decision-making performance college soccer players on a soccer-specific, tachistoscopically presented test, at rest and while exercising their adrenaline threshold maximum power output. These were determined following an incremental test exhaustion cycle ergometer. After initial participants (n= 9) allowed 10 habituation trials test. Participants' tested rest, cycling output that had previously been elicit Accuracy speed decision dependent...
Understanding the nutritional demands on serving military personnel is critical to inform training schedules and dietary provision. Troops deployed Afghanistan face austere living working environments. Observations from those reported in British US media indicated possible physical degradation of Afghanistan. Therefore, present study aimed investigate changes body composition status how these were related fitness. In a cohort Royal Marines ( n 249) for 6 months, size estimated mass, height,...
This study examined the influence of water ingestion on endurance capacity during submaximal treadmill running. Four men and four women with a mean (± S.E.) age 21.4 ± 0.7 years, height 169 + 2 cm, body mass 63.1 2.9 kg VO max 51.1 1.8 ml kg−1 min−1, performed two randomly assigned runs at 70% to exhaustion. No fluid was ingested one trial (NF‐trial), whereas single bolus 3.0 immediately pre‐exercise serial feedings 2.0 were every 15 min exercise in replacement (FR‐trial). Run time for...
Resistance training is associated with periods of acute intracellular hypoxia increased H(+) production and low intramuscular pH. The aim this study was to investigate the possible adaptive response in muscle carnosine (beta-alanyl-L-histidine) bodybuilders. Extracts biopsies m. vastus lateralis 6 national-level competitive bodybuilders age-matched untrained but moderately active healthy subjects were analyzed by high-performance liquid chromatography. Significant differences shown (p <...
Decrements in muscle function may reduce physical and skilled performance have been shown to be greater following walking unloaded on negative gradients. We examined the effects of prolonged with load carriage at level gradients function.There were 10 male participants who completed two bouts carrying a 25-kg backpack for 2 h 6.5 km x h(-1) during (LW) downhill (-8% gradient) (DW). Force produced voluntary electrically stimulated contractions was measured before, 0, 24, 48, 72...
The high stress fracture occurrence in military populations has been associated with frequent load carriage activities. This study aimed to assess the influence of and completing a training activity on gait characteristics. Thirty-two Royal Marine recruits completed 12.8-km as part their training. Data were collected during walking boots, pre post-activity, without additional (35.5 kg). Ground contact time, lower limb sagittal plane kinematics kinetics, electromyographic variables obtained...
Tibial stress fractures (TSFs) cause a significant burden to Royal Marines recruits. No prospective running gait analyses have previously been performed in military settings.We aimed identify biomechanical factors and anthropometric variables associated with increased risk of TSF.1065 recruits were assessed week 2 training. Bilateral plantar pressure three-dimensional lower limb kinematics obtained for barefoot at 3.6 m/s, providing dynamic arch index, peak heel joint angles. Age,...
Stress fractures are common amongst healthy military recruits and athletes. Reduced vitamin D availability, measured by serum 25-hydroxyvitamin (25OHD) status, has been associated with stress fracture risk during the 32-week Royal Marines (RM) training programme. A gene-environment interaction study was undertaken to explore this relationship inform specific injury mitigation strategies. Fifty-one males who developed a RM (n = 9 in weeks 1–15; n 42 16–32) 141 uninjured controls were...
Purpose Exertional heat stress adversely distrupts (GI) barrier integrity and, through subsequent microbial translocation (MT), negativly impacts health. Despite widespread application, the temporal reliability of popular GI integity and MT biomarkers is poorly characterised. Method Fourteen males completed two 80-min exertional tests (EHST) separated by 7–14 days. Venous blood was drawn pre, immediately- 1-hr post both EHSTs. assessed using serum Dual-Sugar Absorption Test (DSAT),...
Survival rates after severe injury are improving, but complication and outcomes variable.
Abstract We examined the plasma concentration curve obtained over 6 h after ingestion of 2 g creatine (Cr) (equivalent to 2.3 Cr ·H O) contained in meat or solution five non-users supplements. Peak was lower but maintained close this for a longer period. Measurements area under indicated approximate bioequivalence with same dose supplied solution. In separate study, we concentration-time solid Cr· H O. Creatine ingested as lozenge (crushed mouth and swallowed) crystalline suspension ice cold...