Vicarious Experience to Affect Physical Activity in Women: A Randomized Control Trial.

People compare themselves to others for self-evaluation, practical information, and motivation for healthy behaviors. The effect of active peer models on comparative thinking is unknown. The purpose of this 12-week, randomized, two-group pilot study was to evaluate the effect of a workplace peer modeling intervention on self-efficacy, motivation, and comparative thinking.

Perceptions of a Peer Modeling Workplace Physical Activity Intervention for Women.

A workplace physical activity (PA) study tested a novel use of peers to deliver the intervention. Peer models provided vicarious experience for living physically active lifestyles to a group of inactive women. The purpose of this study was to describe participants' perceptions of the peer modeling intervention.

Feasibility and Effect of a Peer Modeling Workplace Physical Activity Intervention for Women.

Most working women do not meet current guidelines for physical activity (PA). A 12-week pilot study tested a workplace, peer modeling PA intervention. Inactive female employees from a health system were randomized to an attention control group (ACG; n = 26) or an intervention group (IG; n = 26).

The Relationship Between Parental and Child Physical Activity in a Rural Community.

This study examined the relationship between parental and child physical activity (PA) in a rural community. Forty-one children and at least 1 parent wore pedometers to measure step count over the course of 4 days. Parents also completed a PA survey assessing parental support for PA, parental enjoyment for PA, perceived importance of PA, and their own PA levels.

Exercise for the management of type 2 diabetes mellitus: factors to consider with current guidelines.

It has long been established that exercise is powerful medicine for those with type 2 diabetes mellitus (T2DM), such that it should represent a priority in the treatment and management of that condition. In spite of this, exercise adherence among those with T2DM is low, with lack of time and fear of doing harm commonly cited as reasons for not being more active. Published guidelines for aerobic exercise in those with T2DM recommend only moderate intensity, due to the elevated risk of untoward outcomes with more vigorous exercise in persons with chronic disease.

A tutorial on oxidative stress and redox signaling with application to exercise and sedentariness.

Oxidative stress has been shown to play a role in the etiology of several chronic diseases, including cardiovascular disease, diabetes mellitus, and cancer. Free radicals and, most prominently, the superoxide radical, result from oxidative metabolism and several enzyme-catalyzed reactions, and endogenous cellular antioxidants dismutate many reactive oxygen species (ROS). Under certain conditions, ROS production can outpace dismutation (e.

Protocol for a randomized controlled trial to compare bone-loading exercises with risedronate for preventing bone loss in osteopenic postmenopausal women.

Background: In the United States, over 34 million American post-menopausal women have low bone mass (osteopenia) which increases their risk of osteoporosis and fractures. Calcium, vitamin D and exercise are recommended for prevention of osteoporosis, and bisphosphonates (BPs) are prescribed in women with osteoporosis. BPs may also be prescribed for women with low bone mass, but are more controversial due to the potential for adverse effects with long-term use.

Concurrent Validity of Wearable Activity Trackers Under Free-Living Conditions.

Brooke, SM, An, H-S, Kang, S-K, Noble, JM, Berg, KE, and Lee, J-M. Concurrent validity of wearable activity trackers under free-living conditions. J Strength Cond Res 31(4): 1097-1106, 2017-The purpose of this study is to evaluate the concurrent validity of wearable activity trackers in energy expenditure (EE) and sleep period time (SPT) under free-living conditions.

Oxygen cost and physiological responses of recreational badminton match play.

Background: Badminton, as an Olympic sport, is popular worldwide. However, the benefits of recreational badminton match play are not well known. The purpose of the study was to determine the oxygen cost of recreational badminton match play.

Comparison of V[Combining Dot Above]O2peak and Achievement of V[Combining Dot Above]O2peak Criteria in Three Modes of Exercise in Female Triathletes.

Snoza, CT, Berg, KE, and Slivka, DR. Comparison of V[Combining Dot Above]O2peak and achievement of V[Combining Dot Above]O2peak criteria in three modes of exercise in female triathletes. J Strength Cond Res 30(10): 2816-2822, 2016-The purpose of this study was to compare peak aerobic capacity in female triathletes in 3 modes of exercise: treadmill, cycle, and arm ergometer.

Grunting in tennis increases ball velocity but not oxygen cost.

Grunting is widely used by professional tennis players, but no research has been done to verify enhanced performance with grunting. Therefore, the purpose of this study was to determine if grunting enhanced ball velocity in groundstrokes and secondly, to determine if grunting increased the physiological cost of hitting (VO2, HR, VE/VO2, and RPE). Participants were 10 members of the men's (n = 5) and women's (n = 5) tennis teams at a Division I university who had just completed their indoor competitive season.

Interleukin-6 and delayed onset muscle soreness do not vary during the menstrual cycle.

The purpose of this study was to determine if a difference in interleukin-6 (IL-6) and delayed onset muscles soreness (DOMS) exists in two different phases of the menstrual cycle. Nine runners performed one 75-min high-intensity interval running session during the early follicular (EF) phase and once during the midluteal (ML) phase of the menstrual cycle. Estrogen and progesterone levels were significantly reduced in the EF phase when compared to the ML phase.

Physiological responses during interval training with different intensities and duration of exercise.

The purpose of this study was to compare 4 interval training (IT) sessions with different intensities and durations of exercise to determine the effect on mean VO₂, total VO₂, and duration of exertion ≥95% maximum power output (MPO), and the effects on biomarkers of fatigue such as blood-lactate concentration (BLC) and rating of perceived exertion. The subjects were 12 recreationally competitive male (n = 7, mean ± SD age = 26.2 ± 3.

An exercise intervention for breast cancer survivors with bone loss.

Purpose: (a) to determine if 110 postmenopausal breast cancer survivors (BCS) with bone loss who participated in 24 months of strength and weight training (ST) exercises had improved muscle strength and balance and had fewer falls compared to BCS who did not exercise; and (b) to describe type and frequency of ST exercises; adverse effects of exercises; and participants' adherence to exercises at home, at fitness centers, and at 36-month follow up.

Design: Findings reported are from a federally funded multicomponent intervention study of 223 postmenopausal BCS with either osteopenia or osteoporosis who were randomly assigned to an exercise (n=110) or comparison (n=113) group.

Methods: Time points for testing outcomes were baseline, 6, 12, and 24 months into intervention.

The effect of resistive exercise rest interval on hormonal response, strength, and hypertrophy with training.

The purpose of this study was to compare the effects of different between-set rest periods (1 and 2.5 minutes) on changes in hormone response, strength, arm cross-sectional area (CSA), thigh muscular cross-sectional area (MCSA), and body composition during a 10-week training period. Twelve untrained males (24.

Pacing pattern in a 30-minute maximal cycling test.

The purpose of this study was to investigate the pacing pattern and associated physiological effects in competitive cyclists who performed a 30-minute maximal cycling test. Measurements included oxygen uptake (V O2), heart rate (HR), blood lactate concentration (BLC), rating of perceived exertion (RPE), and work rate in watts. Twelve well-trained amateur cyclists (seven men and five women) whose mean age was 32.

Pacing pattern and physiological responses to a 5-minute maximal exercise bout.

The purpose of this study was to describe the pacing strategy of experienced cyclists in a 5-minute maximal exercise bout and to describe selected physiological responses associated with this effort. Six experienced and well-trained competitive cyclists (five males, one female) with a mean (+/-SD) age, height, and mass of 27.0 +/- 4.

Physical activity counseling for older women.

Physical inactivity is a major factor in increasing women's risk for chronic disease, disability, and premature mortality. This study compared the effectiveness of five behavioral counseling (BC) sessions with a comparison group receiving one BC session based on the five A's (ask, advise, assist, arrange, and agree) to increase moderate-intensity physical activity, muscle strengthening, and stretching activity. The health promotion model provided the framework for the intervention.

Ratings of perceived exertion of ACSM exercise guidelines in individuals varying in aerobic fitness.

The physiological responses of high (HF) and low fit (LF) individuals at given perceived exercise intensities were compared to ranges provided by the American College of Sports Medicine (ACSM). Participants were 7 LFand 8 HF men between the ages of 22 and 26 years. All participants performed a maximum oxygen uptake and lactate threshold test and two 15-min experimental runs in which they exercised at a constant perceived exercise intensity (RPE 13 and 17).

Heat production and storage are positively correlated with measures of body size/composition and heart rate drift during vigorous running.

The purposes of this study were to determine the relationships between: (a) measures of body size/composition and heat production/storage, and (b) heat production/storage and heart rate (HR) drift during running at 95% of the velocity that elicited lactate threshold, which was determined for 20 healthy recreational male runners. Subsequently, changes in skin and tympanic temperatures associated with a vigorous 20-min run, HR, and VO2 data were recorded. It was found that heat production was significantly correlated with body mass (r = .

Relationship between measures of body size and composition and velocity of lactate threshold.

The purpose of this investigation was to explore the relationship between velocity of lactate threshold (vLT) and various measures of body mass and composition: mass, lean mass, fat mass, percent body fat (% fat), and body surface area (BSA). We hypothesized that mass would be inversely related to vLT, and that differences in measures of body mass and composition would account for a significant amount of variability in vLT. A total of 21 healthy male runners served as subjects.

Comparison of physical and performance characteristics of NCAA Division I football players: 1987 and 2000.

The purpose of this study was to compare normative data from present Division I National Collegiate Athletic Association football teams to those from 1987. Players were divided into 8 positions for comparisons: quarterbacks (QB), running backs (RB), receivers (WR), tight ends (TE), offensive linemen (OL), defensive linemen (DL), linebackers (LB), and defensive backs (DB). Comparisons included height, body mass, bench press and squat strength, vertical jump, vertical jump power, 40-yd-dash speed, and body composition.

A randomized pilot test of "Moms on the Move": a physical activity intervention for WIC mothers.

Background: Sedentary mothers are important to reach with physical activity promotion.

Purpose: This study pilot tested "Moms on the Move," a Transtheoretical Model (TTM)-derived physical activity (PA) intervention for low-income mothers enrolled in the Women, Infants, and Children (WIC) program.

Method: Sedentary mothers (N = 44) were randomized to (a).

Facilitative strategies, psychological factors, and strength/weight training behaviors in breast cancer survivors who are at risk for osteoporosis.

Introduction/purpose: Many women who have been treated for breast cancer are at increased risk for bone loss. Strength/weight training exercises (SWTE) may be effective in preventing bone loss and subsequent fractures. The purpose of this exploratory study was to examine psychological factors (self-efficacy, perceived benefits vs.

Testing an intervention for preventing osteoporosis in postmenopausal breast cancer survivors.

Purpose: To test a 12-month multicomponent intervention for preventing or treating osteoporosis in 21 postmenopausal women who had completed treatment (except Tamoxifen) for breast cancer, and for whom hormone replacement therapy (HRT) was contraindicated.

Design: Pilot intervention study.

Methods: The intervention consisted of home-based strength and weight training exercises, 5 or 10 mg alendronate per day, 1500 mg calcium per day, 400 IU vitamin D per day, education on osteoporosis, and facilitative strategies to promote adherence to the intervention.