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Lisa Custer, Kimberly S. Peer and Lauren Miller


Muscle fatigue and acute muscle soreness occur after exercise. Application of a local vibration intervention may reduce the consequences of fatigue and soreness.


To examine the effects of a local vibration intervention after a bout of exercise on balance, power, and self-reported pain.


Single-blind crossover study.




19 healthy, moderately active subjects.


After a 30-min bout of full-body exercise, subjects received either an active or a sham vibration intervention. The active vibration intervention was performed bilaterally over the muscle bellies of the triceps surae, quadriceps, hamstrings, and gluteals. At least 1 wk later, subjects repeated the bout, receiving the other vibration intervention.

Main Outcome Measures:

Static balance, dynamic balance, power, and self-reported pain were measured at baseline, after the vibration intervention, and 24 h postexercise.


After the bout of exercise, subjects had reduced static and dynamic balance and increased self-reported pain regardless of vibration intervention. There were no differences between outcome measures between the active and sham vibration conditions.


The local vibration intervention did not affect balance, power, or self-reported pain.

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Lisa Malolepszy, David C. Berry and Michael G. Miller

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Russell R. Pate, Bonnie J. Miller, J. Mark Davis, Chris A. Slentz and Lisa A. Klingshirn

This study was designed to observe iron status and prevalence of iron deficient conditions in adult female habitual runners (n=111) and inactive females of comparable age (n=65). The runners were significantly lower (p<.05) than the reference group in mean serum ferritin (SF), total iron binding capacity, and red blood cell count, but significantly higher (p<.05) in mean corpuscular hemoglobin. The groups did not differ significantly in hemoglobin concentration, hematocrit, serum iron, percent saturation of transfenin, or red cell protoporphyrin. Chi square analysis indicated that iron depletion (SF <20 ng·ml-1) was significantly more prevalent (p<.005) in the runners than in the controls. Anemia was extremely rare in both groups. A multiple regression analysis revealed significant negative associations between serum ferritin and coffeeltea intake (p<.001) and running activity (p<.05). These results indicate that habitual runners, as compared with inactive women, are at increased risk for iron deficient states but that full-blown anemia is a rare consequence of this deficient iron status.

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Lisa M. Barnett, David Stodden, Kristen E. Cohen, Jordan J. Smith, David Revalds Lubans, Matthieu Lenoir, Susanna Iivonen, Andrew D. Miller, Arto Laukkanen, Dean Dudley, Natalie J. Lander, Helen Brown and Philip J. Morgan


Recent international conference presentations have critiqued the promotion of fundamental movement skills (FMS) as a primary pedagogical focus. Presenters have called for a debate about the importance of, and rationale for teaching FMS, and this letter is a response to that call. The authors of this letter are academics who actively engage in FMS research.


We have answered a series of contentions about the promotion of FMS using the peer reviewed literature to support our perspective.


We define what we mean by FMS, discuss the context of what skills can be considered fundamental, discuss how the development of these skills is related to broader developmental health contexts, and recommend the use of different pedagogical approaches when teaching FMS.


We conclude the promotion of FMS is an important focus in Physical Education (PE) and sport and provide future research questions for investigation.