The purpose of this study was to determine whether trained competitive runners could maintain on-land running performance using 4 wk of deep water run training instead of on-land training. Eleven well-trained competitive runners (10 males, 1 female; ages, 32.5 ± 5.4 yr; height, 179.8± 9.3 cm; weight, 70.4 ± 6.7 kg (mean ± SD)) trained exclusively using deep water run training for 4 wk. Subjects trained 5-6 d·wk-1 for a total of 20-24 sessions (mean ± SD, 22± 1.5 sessions). Instruction and practice sessions were conducted prior to the training period. Before and after the deep water run training, subjects completed a 5-km race on the treadmill using a computer based system, a submaximal run at the same absolute workload to assess running economy, and a combined lactate threshold and maximal oxygen consumption test. No significant differences were found for (mean ± SEM): 5-km run time (pre, 1142.7± 39.5 s; post, 1149.8 ± 36.9 s; P = 0.28), submaximal oxygen consumption (pre, 44.8 ± 1.2 mL·kg-1·min-1; post, 45.3 ± 1.5 mL·kg-1·min-1; P = 0.47), lactate threshold running velocity (pre, 249.1 ± 0.9 m·min-1; post, 253.6 ± 6.3 m·min-1; P = 0.44), or maximal oxygen consumption (pre, 63.4 ± 1.3 mL·kg-1·min-1; post, 62.2 ± 1.3 mL·kg-1·min-1; P = 0.11). Also no differences were found among Global Mood State pre-training, each week during training, and post-training. Competitive distance runners maintained running performance using 4 wk of deep water run training as a replacement for on-land training.
Exercise Physiology Laboratories, Department Health Promotion and Human Performance, The University of Toledo, Toledo, OH
Submitted for publication May 1996.
Accepted for publication November 1996.
The authors would like to thank the following individuals for assistance with data collection: Cindy Bouillon, Carol Weideman, Kathy Carroll, Tobin Bushman, Chad Yoakam, Nick Turner, Kim Doughee, Daihyuk Choi, and Todd Brickman.
We also want to thank Bruce Kwiatkowski and Tony Owed for technical support and Gregory Cizek for statistical support.
Address for correspondence: Barbara A. Bushman, Ph.D., South-west Missouri State University, Department Health, Physical Education and Recreation, 901 South National Springfield, MO 65804. E-mail:firstname.lastname@example.org