TOSH - The Orthopedic Specialty Hospital

(801) 314-4100Map5848 South 300 EastMurray, UT 84107

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Journal Articles

Antioxidant supplementation lowers circulating IGF-1 but not F2-isoprostanes immediately following ACL surgery.
Authors: Barker T, Leonard SW, Trawick RH, Walker JA, & Traber MG (2009). Redox Report.14; 221-226
Vitamin E and C supplementation does not ameliorate muscle dysfunction following anterior cruciate ligament surgery.
Authors: Barker T, Leonard SW, Hansen J, Trawick RH, Ingram R, Burdett G, Lebold K, Walker JA, & Traber MG (2009). Free Radical Biology & Medicine. 47; 1611-1618
Vitamin D and orthopeadics.
Authors: Barker T (2010). Letter, Journal of Bone and Joint Surgery (America), electronic.
Influence of vitamins E and C on the recovery from an anterior cruciate ligament injury and surgery.
Authors: Barker T (2011). SCANs Pulse. 30: 11-14
Does vitamin E and C supplementation improve the recovery from anterior cruciate ligament surgery?
Authors: Barker T & Traber MG (2011). Journal of Evidenced-Based Complementary & Alternative Medicine. 16; 114-128
Vitamin E and C supplementation modulates the association between reciprocally regulated cytokines after an ACL injury and surgery.
Authors: Barker T, Martins TB, Kjeldsberg CR, Hill HR, Leonard SW, Trawick RH, & Traber MG (2011). American Journal of Physical Medicine and Rehabilitation. 90(8); 638-647
Vitamin E and C supplementation modulates the association between reciprocally regulated cytokines after an ACL injury and surgery.
Authors: Barker T, Martins TB, Kjeldsberg CR, Hill HR, Leonard SW, Trawick RH, & Traber MG (2011). American Journal of Physical Medicine and Rehabilitation. 90(8); 638-647
Low vitamin D impairs strength recovery after anterior cruciate ligament surgery.
Authors: Barker T, Martins TB, Hill HR, Kjeldsberg CR, Trawick RH, Weaver LK & Traber MG (2011). Journal of Evidenced-Based Complementary & Alternative Medicine.16(3); 201-209
Different doses of supplemental vitamin D maintain interleukin-5 without altering skeletal muscle strength: a randomized, double-blind, placebo-controlled study in vitamin D sufficient adults.
Authors: Barker T, Martins TB, Hill HR, Kjeldsberg CR, Henriksen VT, Dixon BM, Schneider ED, Dern A, & Weaver LK (2012). Nutrition & Metabolism, 9:16
Circulating interferon-γ correlates with 1,25(OH)D and the 1,25(OH)D-to-25(OH)D ratio.
Authors: Barker T, Martin TB, Kjeldsberg CR, Trawick RH, & Hill HR (2012). Cytokine, 60(1); 23-26
Fluctuations in the skeletal muscle power-velocity relationship and interferon-γ after a muscle-damaging event in humans.
Authors: Barker T, Henriksen VT, Martins TB, Kjeldsberg CR, and Hill HR (2012). Extreme Physiology & Medicine, 1; 1-6
Positive correlation between circulating cathelicidin antimicrobial peptide (hCAP/LL-37) and 25-hydroxyvitamin D in healthy adults.
Authors: Dixon B, Barker T, McKinnon T, Cuomo J, Frei B, Borregaard N, & Gombart AF (2012). BMC Research Notes, 5; 575
Circulating pro-inflammatory cytokines are elevated and peak power output correlates with 25-hydroxyvitamin D in vitamin D insufficient adults.
Authors: Barker T, Martins TB, Hill HR, Kjeldsberg CR, Dixon BM, Schneider ED, Henriksen VT, & Weaver LK (20XX). In press, European Journal of Applied Physiology, DOI 10.1007/s00421-012-2582-7
Higher serum 25-hydroxyvitamin concentrations associate with a faster recovery of skeletal muscle strength after muscular injury.
Authors:
Barker T, Henriksen VT, Martins TB, Hill HR, Kjeldsberg CR, Schneider ED, Dixon BM, & Weaver LK (20XX). Accepted, Nutrients
Oxidative stress and inflammation modulate circulating 25-hydroxybitamin D concentrations.
Authors: Barker T, Trawick RH, Hansen J, & Leonard SW (20XX). In review, Clinical Nutrition
The influence of total knee arthroplasty on dynamic postural control
Authors: McDermott, WJ1, Swanson, SC1, Kester, M2, Rosenberg, T3
Running-specific prostheses limit ground-force during sprinting
Authors: Grabowski AM1, McGowan CP2, McDermott WJ3, Beale MT4, Kram R4, Herr HM1
Last Word on Point: Counterpoint: Artificial limbs do/do not make artificial running speeds possible.
Authors: Kram R, Grabowski AM, McGowan CP, Brown MB, McDermott WJ, Beale MT, Herr HM
Locomotor-respiratory coupling patterns and oxygen consumption during walking above and below preferred stride frequency
Authors: O’Halloran J1, Hamill J1, McDermott WJ2, Remelius JG1, Van Emmerik REA1
Leg stiffness of sprinters using running-specific prostheses
Authors: Craig P. McGowan1, Alena M. Grabowski2,
William J. McDermott3, Hugh M. Herr2 and Rodger Kram4
Electromyographic analysis of the rotator cuff in postoperative shoulder patients during passive rehabilitation exercises
Authors: Murphy CA1, McDermott WJ2, Petersen RK1, Johnson SE3, Baxter SA3
Effect of Lower Extremity Mass and Inertia Manipulation on Swing Phase Sprint Mechanics
Authors: Leong CH1,2, McDermott WJ2, Grabowski AM3, McGowan CP4,
Martin JC1, FACSM
Structural and functional improvements after eccentric training
Authors: Leong CH1, McDermott WJ2, Elmer SJ1, Martin JC1
Effects of Rolfing therapy on running economy.  Journal of Applied Sport Science Research, (4), 148-153.
Authors: Walker, JA, Wells, CL, and Martin, PE. (1990). 
Effects of cross-training on running economy and 10 kilometer performance.  Sports Medicine, Training and Rehabilitation, (4), 21-26.
Authors: Walker, JA, White, AT. and Wells, CL. (1993). 
Prevalence of low back pain in alpine ski instructors.  Journal of Orthopaedic and Sports Physical Therapy, (35) 106-110.
Authors: Peacock, N, Walker, J, Fogg, R, and Dudley, K. (2005).
Anabolic-androgenic steroids: prevalence, knowledge, and attitudes in junior and senior high school students.  Journal of Health Education, (26), 4-12.
Authors: Leutkemeier, M, Bainbridge, C, Walker, J, Brown, D, and Eisenman, P.  (1995). 
Assessment of the Aerosport KB1-C Ambulatory Metabolic Measurement System. Journal of Human Movement Studies, 37 (4): 205-216.
Authors: Subudhi, AW and Walker, JA. (1999).
Heart rate and oxygen consumption relationship changes following intense training.  Sports Medicine, Training, and Rehabilitation, 3: 105-111.
Authors: Richardson, R, Johnson, S, and Walker, J. (1992). 
The effects of estrogen and progesterone on female knee joint laxity.  Journal of Athletic Training, (34), 144-149
Authors: Heitz, N, Eisenman, P, Beck, C, and Walker, J. (1999).
Time course of urinary oxidative stress markers following submaximal and maximal exercise. Journal of Human Movement Studies, 43: 35-47.
Authors: Subudhi, A, Davis, S, Askew, E, Walker, J, and Johnson, S. (2002). 
Bone mineral density of Olympic-level female winter sport athletes. Medicine and Science in Sports and Exercise, 36 (9); 1594-1601.
Authors: Meyer NL, Shaw JM, Manore MM, Dolan SH, Subudhi AW, Shultz BB and Walker JA (2004).   
An evaluation of the predictive validity and reliability of ventilatory threshold. Medicine and Science in Sports and Exercise, 36 (10); 1716-1722.
Authors: Amann M, Subudhi AW, Walker J, Eisenman P, Shultz B and Foster C. (2004).
Validity of a heart rate inflection point or a 3.2 kilometer performance pace as estimators of maximal steady state running velocity in high school runners. Sports Medicine, Training and Rehabilitation (6), 215-222.
Authors: Walker, JA and Eisenman, PE. (1995). 
Medio-lateral foot placement and its variability: a comparison of sprinters with and without trans-tibial amputations
Authors: Arellano CJ1, Grabowski AM1,McDermott WJ2, Kram R1
  • Barker T, Leonard S, Trawick RH, Martins TB, Hill HR & Traber MG (2008). The influence of α-tocopherol and ascorbic acid on circulating inflammatory cytokines following anterior cruciate ligament surgery. Society for Free Radical Biology and Medicine. Free Radical Summer School, Spetses, Greece
  • Barker T, Leonard S, Martins TB, Trawick RH, Hill HR, Kjeldsberg CR & Traber MG (2009). Cytokine alteration following antioxidant supplementation and anterior cruciate ligament surgery. American College of Sports Medicine. Medicine and Science in Sport and Exercise. 41; 5 Supplement
  • Barker T, Leonard SW, Trawick RH,  Martins TB, Kjeldsberg CR, Hill HR, Walker JA & Traber MG (2009). The supplementation of vitamins E and C modulate the relationship between circulating mediators of muscle weakness but not limb strength following anterior cruciate ligament surgery. Society for Free Radical Biology and Medicine, and Oxygen Club of California. Diet and Optimum Health Conference (Poster 31)
  • Leonard SW, Barker T, Mustacich DJ & Traber MG (2009). Measurement of vitamin K homologues in biological fluids and tissues by APCI LC/MS. Society for Free Radical Biology and Medicine, and Oxygen Club of California. Diet and Optimum Health Conference (Poster 34)
  • Barker T, Martins TB, Hill HR, Kjeldsberg CR, Trawick RH, Leonard SW, Walker JA & Traber MG (2010). Antioxidants induced cytokine alterations indicative of a better prognosis after ACL surgery. FASEB J. 24:535.7
  • Leonard SW, Barker T, Mustacich DJ & Traber MG (2010). Measurement of vitamin K homologues in biological fluids and tissues by APCI LC/MS. FASEB J. 24:533.1.
  • Broxterman RM, Barker T & Barstow TJ (2010). Respiratory compensation point-oxygen uptake relationship at different pedaling frequencies. Medicine and Science in Sport and Exercise Supplement. 42(5):507
  • Barker T, Dixon BM & Weaver LK (2011). Smaller concentration-supplementation slopes at a higher vitamin D treatment dose. FASEB J. 25:996.3
  • Barker T & Walker JA (2011). Disparate velocity and force responses at peak power following muscle damage. FASEB J. 25:1051.5
  • Barker T & Trawick RH (2012). Changes in the circulating 1,25(OH)D-to-25(OH)D ratio correlate with IFN-γ alterations. FASEB J. 26:1126.3
  • Barker T, Dixon BM, Schneider ED, & Weaver LK (2013). Circulating pro-inflammatory cytokines are elevated and peak power output correlates with 25-hydroxyvitamin D in vitamin D insufficient adults. Accepted, Experimental Biology 2013
  • Barker T, Dixon BM, Schneider ED, & Weaver LK (2013). Serum 25-hydroxyvitamin D predicts muscular strength after a muscle-damaging event. Accepted, Experimental Biology 2013
  • Levy M, Dern A, Barker T, Schneider E, McKinnon T, Helland T, Robertson J, Cuomo J, Wood T, Dixon B (2013). Predictors of vitamin D status in subjects that consume a vitamin D supplement. Accepted, Experimental Biology
  • Barker T, Dixon BM, Schneider EK, Weaver LK (2013). Vitamin D insufficiency modulates the pro- and anti-inflammatory cytokine balance without altering regulators of circulating 25-hydroxyvitamin D. Accepted, Immunology
  • Walker, JA, Wells, CL, and Martin, PE. (1990).  Effects of soft tissue manipulation therapy on running economy.  Journal of Applied Sport Science Research, (4), 148-153.
  • The effects of estrogen and progesterone on female knee joint laxity.  Journal of Athletic Training, (34), 144-149.
  • Meyer NL, Shaw JM, Manore MM, Dolan SH, Subudhi AW, Shultz BB and Walker JA (2004).  Bone mineral density of Olympic-level female winter sport athletes. Medicine and Science in Sports and Exercise, 36 (9); 1594-1601.
  • Richardson RS, Walker JA, Kendrick K, and Johnson SC (1992). Relationship between running economy at three velocities, ventilatory threshold, maximal oxygen consumption, and 5 km performance in elite runners.  Medicine and Science in Sports and Exercise, (24), S122.
  • Subudhi AW, Davis SL, Kipp RW, Sun J, Murray DM, Askew EW, Walker JA, and Johnson SC (1999).  Biomarkers of lipid peroxidation and antioxidant capacity in elite level male alpine ski racers. Medicine and Science in Sports and Exercise, (31)5S.
  • Davis SL, Subudhi AW, Kipp RW, Sun J, Murray DM, Askew EW, Walker JA, and Johnson SC (1999).  Carbonylated protein and glutathione levels in elite male alpine ski racers during summer training. Medicine and Science in Sports and Exercise, (31)5S.
  • Swanson SC, Johnson SC, and Walker JA (1999).  Frequency and time domain characteristics of three-dimensional joint motion during giant slalom skiing. Medicine and Science in Sports and Exercise, (31)5S.
  • Walker JA, Johnson SC, Motl RW, Marler TA, and Subudhi AW (1999).  Test-retest reliability of angle-specific hamstrings to quadriceps torque ratios.  Medicine and Science in Sports and Exercise, (31)5S.
  • Subudhi AW, Davis SL, Kipp RW, Sun J, Murray DM, Askew EW, Walker JA, and Johnson SC (1999).  Biomarkers of lipid peroxidation and antioxidant capacity in elite level male alpine ski racers. Medicine and Science in Sports and Exercise, (31)5S.
  • Marler TA, Subudhi AW, Motl RW, Johnson SC, and Walker JA (1999).  Effects of concentric and eccentric hamstring strength training on 1-RM values in healthy adult males. Medicine and Science in  Sports and Exercise, (31)5S.
  • Kipp RW and Walker JA (1999).  Knee flexor imbalances in elite snowboard racers. Medicine and Science in  Sports and Exercise, (31)5S.
  • Davis SL, Subudhi AW, Kipp RW, Sun J, Murray DM, Askew EW, Walker JA, and Johnson SC (1999).  Carbonylated protein and glutathione levels in elite male alpine ski racers during summer training. Medicine and Science in Sports and Exercise, (31)5S.
  • Smith JW, Marler TA, Motl RW, Subudhi AW, Johnson SC, and Walker JA (1999).  Effect of concentric and eccentric isotonic resistance training programs on knee angle-specific hamstring/quadriceps ratios. Medicine and Science in Sports and Exercise, (31)5S.
  • Swanson SC, Johnson SC, and Walker JA (1999).  Frequency and time domain characteristics of three-dimensional joint motion during giant slalom skiing. Medicine and Science in Sports and Exercise, (31)5S.
  • Walker JA, Frappier J, Johnson SC, and Swanson SC (2000).  Effect of a 6-week incline treadmill training program on Wingate test results and 40-yard sprint times. Medicine and Science in Sports and Exercise, 32(5):S182.
  • Marler TA, Johnson SC, and Walker JA (2000).  Effect of knee and hip angles on hamstrings/quadriceps torque ratios in female soccer players. Medicine and Science in Sports and Exercise, 32(5):S362.
  • LaRoche DP, Subudhi AW, Wong A, Murray DM, and Walker JA (2001).  Antioxidant status of US biathletes during altitude training.  Medicine and Science in Sports and Exercise.
  • Walker JA, Johnson SC, Motl RW, Deffner KT, Subudhi AW, Greenwald RM, Cooley VJ, and Rosenberg TD (1998).  Comparison of eccentric and concentric angle specific hamstrings/quadriceps ratios.  Medicine and Science in Sports and Exercise, (30)5:S251.
  • Johnson SC, Walker JA, Deffner KT, Wing CN, Motl RW, Subudhi RM, and Rosenberg TD (1998).  Effect of hip angle on knee angle specific hamstrings to quadriceps ratios.  Medicine and Science in Sports and Exercise, (30)5:S47.
  • Marler TA, Walker JA, Sneddon ML, Johnson SC, Hanssen DJ, Porter RW, and Beck CL (1998).  Knee flexor function following anterior cruciate ligament reconstruction with semitendinosus and semitendinosus-gracilis autografts.  Medicine and Science in Sports and Exercise, (30)5:S230.
  • Deffner KT, Johnson SC, Walker JA, Motl RW, Subudhi AW, Wing CN, and Rosenberg TD (1998).  Joint angle specific knee flexor/extensor torque ratios of active women.  Medicine and Science in Sports and Exercise, (30)5:S252.
  • Richardson, RS, Johnson, SC, and Walker, JA. (1992).  Heart rate and oxygen consumption changes following intense training. Sports Medicine, Training and Rehabilitation, (3), 105-111. 
  • Walker, JA and Eisenman, PE. (1995).  Validity of a heart rate inflection point or a 3.2 kilometer performance pace as estimators of maximal steady state running velocity in high school runners.  Sports Medicine, Training and Rehabilitation (6), 215-222.
  • Barker T (2013). Nutrition and Inflammation. Fat soluble vitamins: Chapter 2.5. Vitamin D and inflammation. Nutrition & Physical Activity in Inflammatory Diseases
  • Barker T (2013). Nutrition and Inflammation. Fat soluble vitamins: Chapter 2.6. Vitamin E and inflammation. Nutrition & Physical Activity in Inflammatory Diseases 
  • Paulos LE, Walther CE, and Walker JA (2001).  Rehabilitation of the surgically reconstructed and nonsurgical anterior cruciate ligament.  In Surgery of the Knee, Chapter 39.  3rd Ed. (Vol 1): 789-799.  JN Insall and WN Scott (Eds). Churchill Livingstone. Philadelphia, PA 19106.

Symposiums and Public Presentations:

  • Barker T (2009). Vitamins E and C and the recovery from anterior cruciate ligament surgery. The University of Utah Graduate Student Seminar. Salt Lake City, UT, USA
  • Barker T (2011). The influence of vitamin D supplementation on muscular strength and inflammatory cytokines. ACSM’s 58th Annual Meeting and 2nd World Congress on Exercise is Medicine. June 3rd, Denver, CO
  • Barker T (2012). The connection between vitamin D and osteoarthritis. Salt Lake City, UT, USA. Sponsored by Osteoarthritis Foundation
 
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