Jeffrey J. Parr

ORCID: 0000-0003-4388-0434
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About
Contact & Profiles
Research Areas
  • Musculoskeletal pain and rehabilitation
  • Sports injuries and prevention
  • Shoulder Injury and Treatment
  • Muscle metabolism and nutrition
  • Occupational Health and Performance
  • Exercise and Physiological Responses
  • Cardiovascular and exercise physiology
  • Pain Mechanisms and Treatments
  • Pediatric Pain Management Techniques
  • Sports Performance and Training
  • Heart Rate Variability and Autonomic Control
  • Hormonal and reproductive studies
  • Cardiovascular Effects of Exercise
  • Stroke Rehabilitation and Recovery
  • Sports and Physical Education Research
  • Acupuncture Treatment Research Studies
  • Injury Epidemiology and Prevention
  • Laser Applications in Dentistry and Medicine
  • Genetics and Physical Performance
  • Stress Responses and Cortisol
  • Tendon Structure and Treatment
  • Foot and Ankle Surgery
  • Diabetic Foot Ulcer Assessment and Management
  • Ergonomics and Musculoskeletal Disorders
  • Lower Extremity Biomechanics and Pathologies

University of Southern Mississippi
2018-2025

University of Pittsburgh
2014-2017

University of Florida
2005-2014

Context: Postural stability is the ability to control center of mass in relation a person's base support and can be affected by both musculoskeletal injury traumatic brain injury. The NeuroCom Sensory Organization Test (SOT) used objectively quantify impairments postural stability. predict as an acute injury-evaluation tool makes it essential screening rehabilitation process. To our knowledge, no published normative data for SOT from healthy, highly active population are available use...

10.4085/1062-6050-52.1.05 article EN Journal of Athletic Training 2017-01-31

Triathlons are a popular endurance sport with an elevated injury risk. Prevalence for injuries in triathletes varies greatly and is thought to be related racing distance. The most common occur the lower-extremities considered overuse nature. primary purpose of this study was examine patterns prevalence among during 2022 season. This adopts epidemiological approach using retrospective survey better understand prevalence, nature, triathletes. A live online questionnaire developed that...

10.1123/jsr.2023-0320 article EN Journal of Sport Rehabilitation 2025-01-01

In Brief Tailored treatment based on individual risk factors is an area with promise to improve options for pain relief. Musculoskeletal has a biopsychosocial nature, and multiple should be considered when determining chronic pain. This study investigated whether subgroups comprised genetic psychological predicted outcomes in preclinical clinical models of shoulder Classification regression tree analysis was performed exercise-induced injury cohort (n = 190) identify high-risk subgroups,...

10.1016/j.pain.0000000000000012 article EN Pain 2015-01-01

The pain experience has multiple influences, but little is known about how specific biological and psychological factors interact to influence responses. current study investigated the combined influences of genetic (pro-inflammatory) on several preclinical shoulder phenotypes.An exercise-induced injury model was used, a priori selected (IL1B, TNF/LTA region, IL6 single nucleotide polymorphisms (SNP)) (anxiety, depression symptoms, catastrophizing, fear pain, kinesiophobia) were included as...

10.1249/mss.0000000000000328 article EN Medicine & Science in Sports & Exercise 2014-03-05

Abstract Context: Rehabilitation protocols involving eccentric resistance exercise performed with loading more than 100% concentric 1-repetition maximum are effective in increasing muscle function both healthy and injured populations. The mode of (isokinetic versus isotonic) may be an important factor limiting symptoms delayed-onset soreness improving after training. Objective: To compare functional symptomatic responses eccentric-only (ECC) isotonic protocol a combined concentric-eccentric...

10.4085/1062-6050-44.5.462 article EN Journal of Athletic Training 2009-09-01

Context: Athletic trainers use clinical pain and range of motion (ROM) to gauge recovery after musculoskeletal injury. Limited evidence date suggests which shoulder ROM measures can predict symptomatic relief functional delayed-onset muscle soreness (DOMS). Objective: To determine whether passive internal rotation, external active abduction, flexion evoked with abduction are associated resting experienced exercise-induced DOMS. Design: Descriptive laboratory study. Setting: Controlled...

10.4085/1062-6050-49.5.05 article EN Journal of Athletic Training 2015-02-06

Exercise-induced injury models are advantageous for studying pain since the onset of is controlled and both pre-injury post-injury factors can be utilized as explanatory variables or predictors. In these studies, rest-related often considered primary dependent variable outcome, opposed to a measure activity-related pain. Additionally, few studies include sensitivity measures this study, we examined influence factors, including sensitivity, induced rest following exercise muscle injury. The...

10.1371/journal.pone.0108699 article EN cc-by PLoS ONE 2014-09-29

Background Musculoskeletal injuries are a significant burden to United States Army Special Operations Forces. The advanced tactical skill level and physical training required of Operators highlights the need optimize musculoskeletal characteristics reduce likelihood suffering recurrent injury. Purpose To identify residual impact previous injury on characteristics. Study Design Cross-sectional study; Level evidence, 3. Methods Isokinetic strength knee, shoulder, back flexibility shoulder...

10.1177/2325967115616581 article EN cc-by-nc-nd Orthopaedic Journal of Sports Medicine 2015-11-01

We investigated interactions between genetic and psychological factors in predicting shoulder impairment phenotypes. hypothesized that pro-inflammatory genes would display stronger relationships compared with pain-related when combined for phenotypic changes.Altogether, 190 participants completed a 5-day experimental protocol. An injury model was used to induce physical impairment, priori selected (pain-related, pro-inflammatory) (anxiety, depressive symptoms, pain catastrophizing, fear of...

10.2147/jpr.s171498 article EN cc-by-nc Journal of Pain Research 2018-10-01

Predicting recovery following muscle injury can be difficult because it involves consideration of multiple factors. Our objective was to determine if psychological factors, sex, and peak pain disability ratings could predictive delayed induced injury. Healthy untrained volunteers (n=126; M:F 51:75) underwent a concentric/eccentric isokinetic exercise protocol on their dominant shoulder induce fatigue, with individuals who reported (>0/10) at 96 h being classified as "not recovered"....

10.1055/s-0033-1345179 article EN International Journal of Sports Medicine 2013-09-10

10.3928/19425864-20100630-04 article EN Athletic Training & Sports Health Care 2010-07-30

Background This study examined the efficacy of short-term alpha-ketoisocaproic acid (KIC) monotherapy supplementation immediately prior to moderate- and high-intensity single bout exercise performance.Methods Thirteen resistance trained men (22.8 ± 2.5 years; 81.6 12.6 kg) participated in a prospective, randomized, double blind, placebo controlled crossover experiment. Each subject completed one familiarization four experimental trials with either 1.5 g or 9.0 KIC isocaloric control (CONT),...

10.1186/1550-2783-4-2 article EN cc-by Journal of the International Society of Sports Nutrition 2007-07-13

Patellofemoral pain is one of the most common injuries in recreational runners, with significant implications for dynamic knee valgus. The valgus angle can be corrected surgically or a more conservative non-operative approach. Increasing running cadence may an effective biomechanical gait retraining intervention to reduce and thus patellofemoral pain. primary purpose this study was examine if increase could change angle.

10.3390/clinpract14060195 article EN cc-by Clinics and Practice 2024-11-14

Musculoskeletal injuries are a significant burden to US Army Special Operations Command. The advanced tactical skill level and physical training required of USASOC Forces Soldiers highlight the need improve suboptimal musculoskeletal characteristics, particularly following injury reduce likelihood suffering recurrent preventable injury. PURPOSE: To identify residual impact previous on characteristics. METHODS: A total 106 were enrolled in this study. Isokinetic strength knee, shoulder, back...

10.1249/01.mss.0000477579.17605.12 article EN Medicine & Science in Sports & Exercise 2015-05-01
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