Joel T. Cramer
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View article: A pilot study evaluating differences in muscle tissue saturation and blood flow between older adults with and without sarcopenia
A pilot study evaluating differences in muscle tissue saturation and blood flow between older adults with and without sarcopenia Open
Introduction To optimize skeletal muscle function, adequate oxygen transport and nutrient delivery to the muscle is needed. Decreased blood flow with aging may result in reduced nutritive flow to muscle, which may be compounded by those wi…
View article: Differences in Inflammatory and Nutritional Biomarkers in Community Dwelling Older Adults With and Without Sarcopenia
Differences in Inflammatory and Nutritional Biomarkers in Community Dwelling Older Adults With and Without Sarcopenia Open
View article: Resistance Training Using VAriable Resistance Suit (VARS) Increased Isometric and Isokinetic Muscle Strength
Resistance Training Using VAriable Resistance Suit (VARS) Increased Isometric and Isokinetic Muscle Strength Open
While resistance training promotes muscle hypertrophy and strength, accessibility of equipment is a barrier. This study evaluated a wearable VAriable Resistance Suit (VARS) as a novel and alternative method to achieve muscle strength impro…
View article: Metabolic Flexibility and Inflexibility: Pathology Underlying Metabolism Dysfunction
Metabolic Flexibility and Inflexibility: Pathology Underlying Metabolism Dysfunction Open
Metabolic flexibility can be defined as the ability of the skeletal muscle to adjust its utilization of substrate pathways [...]
View article: Influences of Vitamin D and Iron Status on Skeletal Muscle Health: A Narrative Review
Influences of Vitamin D and Iron Status on Skeletal Muscle Health: A Narrative Review Open
There is conflicting evidence of the roles vitamin D and iron have in isolation and combined in relation to muscle health. The purpose of this narrative review was to examine the current literature on the roles that vitamin D and iron have…
View article: Immunomodulatory Effects of Vitamin D and Prevention of Respiratory Tract Infections and COVID-19
Immunomodulatory Effects of Vitamin D and Prevention of Respiratory Tract Infections and COVID-19 Open
Little is known about potential protective factors for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), referred to as COVID-19. Suboptimal vitamin D status is a risk factor for immune dysfunction, respiratory tract infections…
View article: Biomarker Changes in Response to a 12-Week Supplementation of an Oral Nutritional Supplement Enriched with Protein, Vitamin D and HMB in Malnourished Community Dwelling Older Adults with Sarcopenia
Biomarker Changes in Response to a 12-Week Supplementation of an Oral Nutritional Supplement Enriched with Protein, Vitamin D and HMB in Malnourished Community Dwelling Older Adults with Sarcopenia Open
Malnutrition and sarcopenia commonly overlap and contribute to adverse health outcomes. Previously, chronic supplementation with two oral nutritional supplements (ONS), control (CONS) and experimental ONS enriched with protein, vitamin D a…
View article: Differences in muscle energy metabolism and metabolic flexibility between sarcopenic and nonsarcopenic older adults
Differences in muscle energy metabolism and metabolic flexibility between sarcopenic and nonsarcopenic older adults Open
Background Metabolic flexibility is the ability of skeletal muscle to adapt fuel utilization to the demand for fuel sources [carbohydrates (CHO) and fats (FAT)]. The purpose of this study was to explore muscle energy metabolism and metabol…
View article: Efficacy of Video-Based Forearm Anatomy Model Instruction for a Virtual Education Environment
Efficacy of Video-Based Forearm Anatomy Model Instruction for a Virtual Education Environment Open
INTRODUCTION As virtual education becomes more widespread, particularly considering the recent COVID-19 pandemic, studies that assess the impact of online teaching strategies are vital. Current anatomy curriculum at Paul L. Foster School o…
View article: Metabolic Differences During Submaximal, Steady-State Aerobic Exercise between Sarcopenic and Non-Sarcopenic Older Adults
Metabolic Differences During Submaximal, Steady-State Aerobic Exercise between Sarcopenic and Non-Sarcopenic Older Adults Open
View article: Data for the article "Faster chiral versus collinear magnetic order recovery after optical excitation revealed by femtosecond XUV scattering"
Data for the article "Faster chiral versus collinear magnetic order recovery after optical excitation revealed by femtosecond XUV scattering" Open
Data for the article "Faster chiral versus collinear magnetic order recovery after optical excitation revealed by femtosecond XUV scattering" (Faster chiral versus collinear magnetic order recovery after optical excitation revealed by femt…
View article: Data for the article "Faster chiral versus collinear magnetic order recovery after optical excitation revealed by femtosecond XUV scattering"
Data for the article "Faster chiral versus collinear magnetic order recovery after optical excitation revealed by femtosecond XUV scattering" Open
Data for the article "Faster chiral versus collinear magnetic order recovery after optical excitation revealed by femtosecond XUV scattering" (Faster chiral versus collinear magnetic order recovery after optical excitation revealed by femt…
View article: Efficacy of Video-Based Forearm Anatomy Model Instruction for a Virtual Education Environment
Efficacy of Video-Based Forearm Anatomy Model Instruction for a Virtual Education Environment Open
View article: Chiral versus collinear magnetic order dynamics: faster chiral recovery after optical excitation revealed by femtosecond XUV scattering
Chiral versus collinear magnetic order dynamics: faster chiral recovery after optical excitation revealed by femtosecond XUV scattering Open
While chiral spin structures stabilized by Dzyaloshinskii-Moriya interaction (DMI) are candidates as novel information carriers, their dynamics on the fs-ps timescale is little known. Since with the bulk Heisenberg exchange and the interfa…
View article: Acute effects of passive stretching of the plantarflexor muscles on neuromuscular function: the influence of age
Acute effects of passive stretching of the plantarflexor muscles on neuromuscular function: the influence of age Open
The acute effects of stretching on peak force (F peak), percent voluntary activation (%VA), electromyographic (EMG) amplitude, maximum range of motion (MROM), peak passive torque, the passive resistance to stretch, and the percentage of RO…
View article: Age-related changes in the rate of muscle activation and rapid force characteristics
Age-related changes in the rate of muscle activation and rapid force characteristics Open
Declines in muscle size and strength are commonly reported as a consequence of aging; however, few studies have investigated the influence of aging on the rate of muscle activation and rapid force characteristics across the lifespan. This …
View article: Endogenous versus exogenous carbohydrate oxidation measured by stable isotopes in pre-pubescent children plus 13C abundances in foods consumed three days prior
Endogenous versus exogenous carbohydrate oxidation measured by stable isotopes in pre-pubescent children plus 13C abundances in foods consumed three days prior Open
NCT03185884.
View article: Changes in Strength, Mobility, and Body Composition Following Self-Selected Exercise in Older Adults
Changes in Strength, Mobility, and Body Composition Following Self-Selected Exercise in Older Adults Open
The purpose of this trial was to examine the effects of self-selected exercise intensities plus either whey protein or placebo supplementation on vital signs, body composition, bone mineral density, muscle strength, and mobility in older a…
View article: High Prevalence of Poor Iron Status Among 8- to 16-Year-Old Youth Athletes: Interactions Among Biomarkers of Iron, Dietary Intakes, and Biological Maturity
High Prevalence of Poor Iron Status Among 8- to 16-Year-Old Youth Athletes: Interactions Among Biomarkers of Iron, Dietary Intakes, and Biological Maturity Open
Objective: The purpose of this study was to determine the prevalence of poor iron status in young athletes throughout the stages of iron deficiency and assess sex differences with iron deficiency in relation to growth and developmen…
View article: Sex-specific relationships among iron status biomarkers, athletic performance, maturity, and dietary intakes in pre-adolescent and adolescent athletes
Sex-specific relationships among iron status biomarkers, athletic performance, maturity, and dietary intakes in pre-adolescent and adolescent athletes Open
Iron status biomarkers demonstrated sex-specific relationships with anaerobic exercise performance in youth athletes, which may be more dependent on maturity status and dietary intake than age. Moderate relationships between sTfR and athle…
View article: State Population Influences Athletic Performance Combine Test Scores in High School-Aged American Football Players
State Population Influences Athletic Performance Combine Test Scores in High School-Aged American Football Players Open
This study compared athletic performance differences among high school American football combine participants originating from states of different population sizes. High school-aged American football players (n=7,214) who had participated …
View article: Femtosecond formation dynamics of the spin Seebeck effect revealed by terahertz spectroscopy
Femtosecond formation dynamics of the spin Seebeck effect revealed by terahertz spectroscopy Open
Understanding the transfer of spin angular momentum is essential in modern magnetism research. A model case is the generation of magnons in magnetic insulators by heating an adjacent metal film. Here, we reveal the initial steps of this sp…
View article: Table of Contents
Table of Contents Open
View article: Greater Neural Adaptations following High- vs. Low-Load Resistance Training
Greater Neural Adaptations following High- vs. Low-Load Resistance Training Open
We examined the neuromuscular adaptations following 3 and 6 weeks of 80 vs. 30% one repetition maximum (1RM) resistance training to failure in the leg extensors. Twenty-six men (age = 23.1 ± 4.7 years) were randomly assigned to a high- (80…
View article: Strength and Conditioning
Strength and Conditioning Open
While a graduate assistant, he was responsible for isokinetic performance testing
View article: Temperature dependence of the non-local spin Seebeck effect in YIG/Pt\n nanostructures
Temperature dependence of the non-local spin Seebeck effect in YIG/Pt\n nanostructures Open
We study the transport of thermally excited non-equilibrium magnons through\nthe ferrimagnetic insulator YIG using two electrically isolated Pt strips as\ninjector and detector. The diffusing magnons induce a non- local inverse spin\nHall …
View article: Impacts of High-Protein Oral Nutritional Supplements Among Malnourished Men and Women with Sarcopenia: A Multicenter, Randomized, Double-Blinded, Controlled Trial
Impacts of High-Protein Oral Nutritional Supplements Among Malnourished Men and Women with Sarcopenia: A Multicenter, Randomized, Double-Blinded, Controlled Trial Open
ONS improved strength outcomes in malnourished older adults with sarcopenia. In those with mild-moderate sarcopenia, but not severe sarcopenia, consumption of the EONS improved leg muscle strength and quality compared with the s…
View article: Four weeks of high- versus low-load resistance training to failure on the rate of torque development, electromechanical delay, and contractile twitch properties.
Four weeks of high- versus low-load resistance training to failure on the rate of torque development, electromechanical delay, and contractile twitch properties. Open
The purpose of this study was to investigate the effects of 4-weeks of high- versus low-load resistance training to failure on rate of torque development (RTD), electromechanical delay (EMD), and contractile twitch characteristics. Fifteen…
View article: Effects of Short-Term Dynamic Constant External Resistance Training and Subsequent Detraining on Strength of the Trained and Untrained Limbs: A Randomized Trial
Effects of Short-Term Dynamic Constant External Resistance Training and Subsequent Detraining on Strength of the Trained and Untrained Limbs: A Randomized Trial Open
Short-term resistance training has been shown to increase isokinetic muscle strength and performance after only two to nine days of training. The purpose of this study was to examine the effects of three days of unilateral dynamic constant…
View article: Exertional rhabdomyolysis in a 21-year-old, healthy female after performing three sets of the biceps curl exercise to failure with 30% 1RM: A case report
Exertional rhabdomyolysis in a 21-year-old, healthy female after performing three sets of the biceps curl exercise to failure with 30% 1RM: A case report Open
Background: The optimal resistance training program to elicit muscle hypertrophy has been consistently debated and researched. Although 3 sets of 10 repetitions at 70-80% of the 1-repetition maximum (1RM) is widely recommended, recent stud…