NMU Exercise Science Faculty/Student Research

** Past 10 Years **


1) V. España-Romero, R.L. Jensen, X. Sanchez, M.L. Ostrowski, J.E. Szekely, P.B. Watts. (2011) Changes in rock climbing energy expenditure with repeated ascents over a 10-week period. European Journal of Applied Physiology DOI 10.1007/s00421-011-2022-0

2) S.K. Leissring, R.L. Jensen, J.L. Tervo, P.B. Watts (2011) Onset and offset of rectus femoris activation during double poling ergometry in two positions: standing vs. sitting. Portuguese Journal of Sports Sciences 11 (Suppl. 2) 747-750.

3) R.L. Jensen, L.-A.M. Furlong, D. Graham, A.J. Harrison (2011) Reliability of jump and performance measures in rugby union players. Portuguese Journal of Sports Sciences 11 (Suppl. 2) 93-96.

4) M.L. Stephenson, W.P. Ebben, E.P. Flanagan, R.L. Jensen (2011) Contact time, jump height, and reactive strength index during drop jumps in water, on padded and non-padded conditions. Portuguese Journal of Sports Sciences 11 (Suppl. 2) 941-944.

5) P.T. Ewbank & R.L. Jensen (2011) Change in trunk muscle activity during incline treadmill running. Portuguese Journal of Sports Sciences 11 (Suppl. 2) 487-490.

6) E.J. Petushek, C. Richter, D. Donovan, W.P. Ebben, R.L. Jensen (2011) Comparison of tibial impact accelerations: video vs accelerometer. Portuguese Journal of Sports Sciences 11 (Suppl. 2) 609-612.

7) M.L. Ostrowski, V. Espana-Romero, R.L. Jensen, X. Sanchez, J.E. Szekely, P.B. Watts (2011) Effects of rock climbing route ascent and route familiarity on handgrip and finger-curl force. (Abst.) Medicine and Science in Sports and Exercise 43(5): S657.

8) E.J. Petushek, C. Richter, W.P. Ebben D. Donovan, R.L. Jensen (2011) Validation of electrogoniometry for the assessment of countermovement jump and landing knee angle. (Abst.) Medicine and Science in Sports and Exercise 43(5): .

9) P.B. Watts, R.L. Jensen, M.L. Ostrowski, X. Sanchez, J.E. Szekely, V. Espana-Romero (2011) Effect of route repetition on energy expenditure in rock climbing. (Abst.) Medicine and Science in Sports and Exercise 43(5): S657-658.

10) R.L. Jensen, S.K. Leissring, J.L. Tervo, P.B. Watts (2010) Joint ROM during standing and seated double pole ergometry. In Book of Abstracts 5th International Congress on Science in Skiing; (E. Müller, S. Lindinger, T. Stöggl, J. Pfusterschmied, editors); Dept. of Sports Science and Kinesiology, University of Salzburg, Austria; 158.

11) R.L. Jensen, W.P. Ebben, E.J. Petushek, C. Richter, and K. Roemer, editors (2010) Proceedings of the 28th Conference of the International Society of Biomechanics in Sports. Marquette, MI: Northern Michigan University. ISSN 1999-4168 http://w4.ub.uni-konstanz.de/cpa

12) J.L. Tervo, P.B. Watts, and R.L. Jensen (2010) Electromyographical analysis of double pole ergometry: Standing vs. sitting. In Proceedings of the 28th Conference of the International

Society of Biomechanics in Sports (R.L. Jensen, W.P. Ebben, E.J. Petushek, C. Richter, and K. Roemer, editors) 136-139.

http://w4.ub.uni-konstanz.de/cpa/article/viewFile/4606/4293

13) S.K. Leissring, E.J. Petushek, M.L. Stephenson, R.L. Jensen (2010) Relationship of ground reaction and knee joint reaction forces in plyometric exercises. In Proceedings of the 28th Conference of the International Society of Biomechanics in Sports (R.L. Jensen, W.P. Ebben, E.J. Petushek, C. Richter, and K. Roemer, editors) 152-155. http://w4.ub.uni-konstanz.de/cpa/article/viewFile/4420/4110

14) W.P. Ebben, E.P. Flanagan, J.K. Sansom, E.J. Petushek, R.L. Jensen (2010) Ground reaction forces of variations of plyometric exercises on hard surfaces, padded surfaces and water. In Proceedings of the 28th Conference of the International Society of Biomechanics in Sports (R.L. Jensen, W.P. Ebben, E.J. Petushek, C. Richter, and K. Roemer, editors) 533-536. http://w4.ub.uni-konstanz.de/cpa/article/viewFile/4512/4200

15) C.L. Matthew & R.L. Jensen (2010) The effects of a cloth wrap in stabilization of the ankle. In Proceedings of the 28th Conference of the International Society of Biomechanics in Sports (R.L. Jensen, W.P. Ebben, E.J. Petushek, C. Richter, and K. Roemer, editors) 630-633. http://w4.ub.uni-konstanz.de/cpa/article/viewFile/4544/4231

16) M.K.D. Lewis, S. Abe, K. Malliah, P.L. Malin, R.L. Jensen. (2010) Hamstring muscle activation differences between genders while performing single leg landings. In Proceedings of the 28th Conference of the International Society of Biomechanics in Sports (R.L. Jensen, W.P. Ebben, E.J. Petushek, C. Richter, and K. Roemer, editors) 638-641. http://w4.ub.uni-konstanz.de/cpa/article/viewFile/4546/4233

17) B.J. McGowan, R.L. Jensen, E.J. Petushek (2010) Differences in RSI and peak ground reaction force for drop rebound jumps from a hang and box for female subjects. In Proceedings of the 28th Conference of the International Society of Biomechanics in Sports (R.L. Jensen, W.P. Ebben, E.J. Petushek, C. Richter, and K. Roemer, editors) 781-784. http://w4.ub.uni-konstanz.de/cpa/article/viewFile/4590/4277

18) W.P. Ebben, N.J. Long, Z.D. Pawlowski, L.M. Chmielewski, R.W. Clewien, R.L. Jensen. (2010) Using squat repetition maximum testing to determine hamstring resistance training exercise loads. Journal of Strength and Conditioning Research 24(2): 293-299.

19) R.L. Jensen, S. Balasubramani, K.C. Burley, D.R. Kaukola, J.A. LaChapelle. (2010) Reliability of a digital method to determine frontal area of a cyclist. Measurement in Physical Education and Exercise Science 14(1): 1-7.

20) Watts, P.B. and M.L. Ostrowski. Energy expenditure in children during rock climbing activity. Presented at the Annual Meeting of the American College of Sports Medicine. Seattle, May, 2009. Manuscript in preparation.

21) S. Abe and R.L. Jensen (2009) Effect of ski boot tightness on shock attenuation time and joint angle with anterior-posterior foot positioning in drop landings. In Proceedings of the XXVII Congress of the International Society of Biomechanics in Sports; (R. Anderson, D. Harrison & I. Kenny, editors) 310-313.

22) M. Kaliyamoorthy and R.L. Jensen (2009) Reliability of time to stabilization in single leg standing. In Proceedings of the XXVII Congress of the International Society of Biomechanics in Sports; (R. Anderson, D. Harrison & I. Kenny, editors) 346-349.

23) M. Kaliyamoorthy, P.B. Watts, R.L. Jensen, J.A. LaChapelle (2009) Effect of fatigue on dynamic balance after maximum intensity cross country skiing. In Proceedings of the XXVII Congress of the International Society of Biomechanics in Sports; (R. Anderson, D. Harrison & I. Kenny, editors) 350.

24) R.L. Jensen, S.K. Leissring, L.R. Garceau, E.J. Petushek, W.P. Ebben (2009) Quantifying the onset of the concentric phase of the force–time record during jumping. In Proceedings of the XXVII Congress of the International Society of Biomechanics in Sports; (R. Anderson, D. Harrison & I. Kenny, editors) 417-420.

25) S.K. Leissring, W.P. Ebben, L.R. Garceau, E.J. Petushek, R.L. Jensen (2009) Reliability of forces during variations of plyometric exercises. In Proceedings of the XXVII Congress of the International Society of Biomechanics in Sports; (R. Anderson, D. Harrison & I. Kenny, editors) 476-479.

26) S. Abe, M.K.D. Lewis, K. Malliah, P.L. Malin, R.L. Jensen (2009) Effect of bilateral or single leg landing on knee kinematics. In Proceedings of the XXVII Congress of the International Society of Biomechanics in Sports; (R. Anderson, D. Harrison & I. Kenny, editors) 488.

27) E.P. Flanagan, R.L. Jensen, A.J. Harrison, D. Rickaby. (2009) The effect of fatigue on reactive strength in anterior cruciate ligament reconstructed individuals. In Proceedings of the XXVII Congress of the International Society of Biomechanics in Sports; (R. Anderson, D. Harrison & I. Kenny, editors) 553-556. Winner of the New Investigator Award.

28) J.L. Tervo and R.L Jensen (2009) Peak velocity of Nordic ski double pole technique: Stand-up vs. Sit skiing. In Proceedings of the XXVII Congress of the International Society of Biomechanics in Sports; (R. Anderson, D. Harrison & I. Kenny, editors) 737.

29) R.L. Jensen (2009) Measurement techniques in assessing athletic power. In Proceedings of the XXVII Congress of the International Society of Biomechanics in Sports; (R. Anderson, D. Harrison & I. Kenny, editors) 898-901.

30) R.S. Bowen, R.L. Jensen, J.M. Ryan, P.B. Watts. (2009) Modeling oxygen uptake during V1 treadmill roller skiing. International Journal of Exercise Science 2(1): 48-59.

31) W.P. Ebben, E.P. Flanagan, R.L. Jensen. (2009) Bilateral facilitation and laterality during the countermovement jump. Perceptual and Motor Skills, 108, 251-258.

32) E.P. Flanagan, W.P. Ebben, R.L. Jensen (2008) Reliability of the reactive strength index and time to stabilization during plyometric depth jumps. Journal of Strength and Conditioning Research 22(5): 1677-1682.

33) P.B. Watts, E. Gannon, R.L. Jensen, R. Kobeinia, J. Maynard, J. Sansom. (2008) EMG responses in rock climbing using six hand positions. International Journal of Exercise Science 1(1): 4-13.

34) P.B. Watts, R.L. Jensen, S.M. Agena, J.A. Majchrzak, R.A. Schellinger, C.S. Wubbels. (2008) Changes in EMG and finger force with repeated hangs from the hands in rock climbers. International Journal of Exercise Science 1(2): 62-70.

35) Ebben, W.P., Simenz, C., R.L. Jensen. (2008) Evaluation of plyometric intensity using electromyography. Journal of Strength and Conditioning Research 22(3): 861-868.

36) D. Kane, P.B. Watts, R.L. Jensen, S. Williams. (2008) Effects of Two Drag Factors on Selected Physiological Variables in an Incremental Rowing Ergometer Test. International Journal of Sports Medicine 29: 390-394.

37) R.L. Jensen, E.P. Flanagan, W.P. Ebben (2008) Rate of force development and time to peak force during plyometric exercises. In Proceedings of the XXVI Congress of the International Society of Biomechanics in Sports; (Y.-H. Kwon, J. Shim, J. K. Shim and I.-S. Shin, editors) 199-202.

38) M.J. McCutcheon, R.L. Jensen, R.A. Marlor, P.B. Watts (2008) Energy economy: effect of lateral pedal width variations relative to Q-angle in avid cyclists. In Proceedings of the XXVI Congress of the International Society of Biomechanics in Sports; (Y.-H. Kwon, J. Shim, J. K. Shim and I.-S. Shin, editors) 316-319.

39) R.L. Jensen, E.P. Flanagan, N.L. Jensen, W.P. Ebben (2008) Kinetic responses during landings of plyometric exercises. In Proceedings of the XXVI Congress of the International Society of Biomechanics in Sports; (Y.-H. Kwon, J. Shim, J. K. Shim and I.-S. Shin, editors) 393-396.

40) S. Abe, R.L. Jensen, P.L. Malin, P.B. Watts (2008) Joint angle changes with varied foot positioning in rock climbing. In Proceedings of the XXVI Congress of the International Society of Biomechanics in Sports; (Y.-H. Kwon, J. Shim, J. K. Shim and I.-S. Shin, editors) 390-392.

41) P.L. Malin, S. Abe, R.L. Jensen, P.B. Watts (2008) Reliability of joint angle movements during rock climbing. Proceedings of the North American Congress on Biomechanics http://www.x-cdtech.com/nacob/Abstracts/359.pdf.

42) R.L. Jensen & W.P. Ebben. (2007) Quantifying plyometric intensity via rate of force development, knee joint and ground reaction forces. Journal of Strength and Conditioning Research 21(3): 763-767.

43) W.P. Ebben, E. Flanagan, R.L. Jensen. (2007) Gender similarities in rate of force development and time to takeoff during the countermovement jump. Journal of Exercise Physiologyonline 10(6):10-17.

44) R.L. Jensen & W.P. Ebben. (2007) Quantifying plyometric intensity via rate of force development, knee joint and ground reaction forces. Journal of Strength and Conditioning Research 21(3): 763-767.

45) C. McGinley, R.L. Jensen, C. Byrne, A. Shafat. (2007) Early phase strength gains during traditional resistance training to an upper-body air-resistance training device. Journal of Strength and Conditioning Research 21(2): 621-627.

46) T.M. Comyns, A.J. Harrison, L. Hennessy, R.L. Jensen. (2007) The determination of the optimal complex training resistive load in male rugby players. Sport Biomechanics 6(1): 59-70.

47) B.A. Crockett& R.L. Jensen (2007) Relationship of knee extension strength, flexibility and anthropometric variables to alpine ski racing success. In Abstract Book of the 4th International Congress on Science in Skiing; (E. Müller, S. Lindinger, T. Stöggl, V. Fastenbauer, editors) 166.

48) R.L. Jensen, S. Fjeldheim, J. Ryan, P.B. Watts (2007) Recovery heart rate during graded stage testing. In Abstract Book of the 4th International Congress on Science in Skiing; (E. Müller, S. Lindinger, T. Stöggl, V. Fastenbauer, editors) 169.

49) R.L. Jensen, S. Balasubramani, G. Brennan, K.C. Burley, D.R. Kaukola, J.A. LaChapelle, A. Shafat (2007) Power output, muscle activity, and frontal area of a cyclist in different cycling

positions. In Proceedings of the XXV International Symposium of Biomechanics in Sports; (H.J. Menzel & M.H. Chagas editors) 172-176.

50) R.L. Jensen, S. Balasubramani, K.C. Burley, D.R. Kaukola, J.A. LaChapelle, R. Anderson. (2007) Reliability of a digital method to determine frontal area of a cyclist. In Proceedings of the XXV International Symposium of Biomechanics in Sports; (H.J. Menzel & M.H. Chagas editors) 398-401.

51) E.P. Flanagan, W.P. Ebben, R.L. Jensen (2007) Reliability of the reactive strength index and time to stabilization during depth jumps. In Proceedings of the XXV International Symposium of Biomechanics in Sports; (H.J. Menzel & M.H. Chagas editors) 509-512. Winner of the New Investigator Award.

52) B.A. Crockett& R.L. Jensen (2007) Kinematic analysis and muscular activity of skateboard propulsion in experienced participants. In Proceedings of the XXV International Symposium of Biomechanics in Sports; (H.J. Menzel & M.H. Chagas editors) 602.

53) M.A. Kralik& R.L. Jensen (2007) Force output and hip movement while flutter kicking with variations of kickboard support. In Proceedings of the XXV International Symposium of Biomechanics in Sports; (H.J. Menzel & M.H. Chagas, editors) 664-667.

54) R.S. Bowen, J.M. Ryan, R.L. Jensen, P.B. Watts. Linear regression analysis for prediction of VO2 during treadmill roller skiing using the V1 technique. (Abst.) Med. Sci. Sports Exerc. 39(5):S345, 2007.

55) P.B. Watts, J.M. Ryan, R.L. Jensen. (2006) Changes in Technique-Specific VO2max and competitive Performance over a Season in collegiate cross-country skiers. Presented at the International Congress on Science and Nordic Skiing. Voukatti, Finland. June, 2006.

56) R.L. Jensen, R.S. Bowen, S.J. Fjeldheim, M.L. Halloran, S.K. Peck, J.M. Ryan, P.B. Watts. (2006) Comparison of the lactate-heart rate relationship during treadmill roller-skiing and on-snow cross country skiing. Presented at the International Congress on Science and Nordic Skiing. Voukatti, Finland. June, 2006.

57) R.S. Bowen, R.L. Jensen, P.B. Watts. (2006) Relationship between ankle dorsiflexion and kinematic variables during treadmill roller skiing. Presented at the International Congress on Science and Nordic Skiing. Voukatti, Finland. June, 2006.

58) K. Cole, P.B. Watts, R.L. Jensen, C.E. Teeters. (2006) The effects of backpack loading styles on energy expenditure and movement in the sagittal plane during treadmill walking. In Proceedings of the XXIV International Symposium of Biomechanics in Sports; Salzburg (H. Schwameder, G. Strutzenberger, V. Fastenberger, S. Lindinger, E. Müller, editors) 633-666.

59) B.R Jensen, R.L. Jensen, P. B. Watts, D.L. Jensen (2006) Effects of added weight on oxygen uptake power output, and heart rate during uphill cycling: treadmill versus over-ground. In Proceedings of the XXIV International Symposium of Biomechanics in Sports; Salzburg (H. Schwameder, G. Strutzenberger, V.

60) A.J Harrison, R.L. Jensen, O. Donoghue. (2005) A comparison of laser and video techniques for determining velocity during running. Meas. Physical Ed. Exer. Sci, 9 (4): 219-231.

61) R.L. Jensen, P.B. Watts, J.E. Lawrence, D.M. Moss, J.M. Wagonsomer (2005) Vertical hand force and forearm EMG during a High-step Rock-on climbing move with and without added mass. In Proceedings of the XXIII International Symposium of Biomechanics in Sports

(Qing Wang, editor) 466-469.

62) R. L. Jensen& W. P. Ebben (2005) Ground and knee joint reaction forces during variations of plyometric exercises. In Proceedings of the XXIII International Symposium of Biomechanics in Sports (Qing Wang, editor) 373-376.

63) J.E. Lawrence, R.L. Jensen, P.B. Watts (2005) Quantification of drop jumps for training implications. In Proceedings of the XXIII International Symposium of Biomechanics in Sports Sports (Qing Wang, editor) 506-509.

64) R.S. Bowen, R.L. Jensen, P.B. Watts (2005) Effects of dorsiflexion on energy expenditure during cross-country skiing using the V1 skate technique. In Proceedings of the XXIII International Symposium of Biomechanics in Sports (Qing Wang, editor) 349.

65) T.M. Comyns, A.J. Harrison, L. Hennessy, R.L. Jensen. (2005) The optimal complex training rest interval for athletes from anaerobic sports. J Strength and Cond. Res. (In Press).

66) P.B. Watts, R.L. Jensen, D.M. Moss, J.A. Wagonsomer, J.E. Lawrence. (2005) Vertical hand force and forearm EMG during a rock climbing move with and without added mass. (Abst.) Med. Sci. Sports Exerc. 37(5):S123.

67) J.E. Lawrence, R.L. Jensen, M. Koskiniemi (2004) Electromyographic quadriceps/hamstring ratios during drop jumps. In Proceedings of the XXII International Symposium of Biomechanics in Sports (M. Lamontagne, D.G.E. Robertson, H. Sveistrup, editors) 425-428.

68) P.B. Watts & R.L. Jensen, et al. (2004) Changes in EMG and Finger Force With Repeated Hangs from the Hands in Rock Climbers. (Abst) Med. Sci. Sports Exerc. 36(5):S167.

69) P.B. Watts. (2004) Physiology of difficult rock climbing: a review. Eur. J. Applied Physiol. 91:361-372.

70) J.E. Lawrence, R.L Jensen, J.J. Rolling. Reliability of peak vertical drop jump forces. American Society of Biomechanics Upper Midwest Student Regional Meeting, Minneapolis, MN; November, 2004.

71) J.J. Rolling& R.L Jensen. Calibration of a Nordic camber gauge. American Society of Biomechanics Upper Midwest Student Regional Meeting, Minneapolis, MN; November, 2004.

72) Shafat, P. Butler, R.L Jensen, A.E. Donnelly. (2004) Effects of dietary supplementation with vitamins C and E on muscle function during and after eccentric contractions in humans. Eur. J. of Appl. Physiol. 93: 196 -202.

73) A.J. Harrison, R.L. Jensen, O. Donoghue. (2004) Reliability and validity of laser distance and velocity determination during running. In Proceedings of the XXII International Symposium of Biomechanics in Sports (M. Lamontagne, D.G.E. Robertson, H. Sveistrup, editors) 39-42.

74) R.L. Jensen, B.J. Begg, P.G. Butler, B.M. Egan, L.E. Fitzgerald, S.C. Keane. (2004) Effects of static stretching on maximal isokinetic torque. In Proceedings of the XXII International Symposium of Biomechanics in Sports (M. Lamontagne, D.G.E. Robertson, H. Sveistrup, editors) 51-53.

75) A.J. Harrison, R.L. Jensen, C.B. McCabe. (2004) The effects of sand dune and hill running on lower limb kinematics and running speed in elite sprinters. In Proceedings of the XXII International Symposium of Biomechanics in Sports (M. Lamontagne, D.G.E. Robertson, H. Sveistrup, editors) 87-90.

76) S.L. Fischer, P.B. Watts, R.L. Jensen, J. Nelson. (2004) Energy expenditure, heart rate response, and metabolic equivalents (METs) of adults taking part in children’s games. J. Sports Med. Phys. Fit. 44:398-403.

77) P.B. Watts & R.L. Jensen. (2003) Reliability of peak forces during a finger curl motion common in rock climbing. Meas. Physical Ed. Exer. Sci. 7(4):263-267.

78) P.B. Watts, L.M. Joubert, A.K. Lish, J.D. Mast, B. Wilkins. (2003) Anthropometry of young competitive sport rock climbers. British J. Sports Med. 37:420-424.

79) R.L. Jensen, A.J. Harrison, U.M. Barrett. (2003) Developmental scaling of the power velocity relationship. Am. Society of Biomechanics, Toledo, OH, Sept. 2003.

80) R.L. Jensen & W.P. Ebben. (2003) Effect of complex training rest interval on vertical jump performance. J. Strength and Cond. Res. 17: 345-349.

81) R.L. Jensen & W.P. Ebben. (2003) Kinetic analysis of complex training rest interval on vertical jump performance. J. Strength and Cond. Res. 17:345-349.

82) C.J. Biwer, R.L Jensen, W.D. Schmidt, P.B. Watts. (2003) The effect of creatine on treadmill running with high intensity intervals. J. Strength and Cond. Res. 17: 439-445.

83) P.B. Watts, L.M. Joubert, A.K. Lish, J.D. Mast, B. Wilkins. (2003) Anthropometry of young competitive sport rock climbers. British J. Sports Med. 37:420-424.

84) R.L. Jensen & W.P. Ebben. (2002) Impulses and ground reaction forces at progressive intensities of weightlifting variations. In Proceedings of the XX International Symposium of Biomechanics in Sports (K.E. Gianikellis, editor) 222-225.

85) W.P. Ebben& R.L. Jensen. (2002) Electromyographic and kinetic analysis of traditional, chain and elastic band squats. J. Strength and Cond. Res 16: 547-550.

86) P.B. Watts. (2002) Physiology of Rock Climbing – An Update. Opening Keynote Address at the 2nd International Conference on Science and Technology in Climbing and Mountaineering, Leeds, England.

87) R.L. Jensen & W.P. Ebben. (2002) Effects of plyometrics variations on jumping impulse. American College of Sports Medicine St. Louis, MO; May, 2002.

88) W.P. Ebben& R.L. Jensen. (2002) Kinetic analysis of complex training rest interval effect on vertical jump performance. American College of Sports Medicine St. Louis, MO; May, 2002.

89) R.L. Jensen & W.P. Ebben. (2002) Impulses and ground reaction forces at progressive intensities of weightlifting variations. In Proceedings of the XX International Symposium of Biomechanics in Sports (K.E. Gianikellis, editor) 222-225.

90) W.P. Ebben& R.L. Jensen. (2002) Quantification of hang clean and snatch ground reaction

forces at a variety of intensities. National Strength and Conditioning Association, Las Vegas, NV; July 2002.

91) J.S. Maynard, W.P. Ebben, R.L. Jensen. (2002) The effect of antagonist pre-fatigue on agonist torque and electromyography. National Strength and Conditioning Association, Las Vegas, NV; July 2002.

92) R.L. Jensen & S.A. Barinotti. (2001) Comparison of ground-reaction forces while kicking a stationary and non-stationary soccer ball. In Proceedings of the XIX International Symposium of Biomechanics in Sports, Vol 1 (J. Blackwell, editor) 238-241.