Effects of an autonomy-supportive exercise instructing style on exercise motivation, psychological well-being, and exercise attendance in middle-age women.

Background: The present study evaluated the effectiveness of an autonomy-supportive intervention based on self-determination theory in influencing perceptions of autonomy support, basic psychological needs, behavioral regulations, subjective vitality, and exercise behavior.

Methods: 35 female exercise participants age 30 to 58 years who enrolled to an 8-week exercise program attended 24 exercise classes that were taught using either an autonomy-supportive (n = 19) or a lack of autonomy support (n = 16) instructing style.

Results: The experimental group reported an increase in perceived autonomy support, the fulfillment of the needs for autonomy and competence, identified regulation, intrinsic motivation, and subjective vitality.

The movement assessment battery in Greek preschoolers: the impact of age, gender, birth order, and physical activity on motor outcome.

Early identification of possible risk factors that could impair the motor development is crucial, since poor motor performance may have long-term negative consequences for a child's overall development. The aim of the current study was the examination of disorders in motor coordination in Greek pre-school aged children and the detection of differences in motor performance with regards to age, gender, participation in sports and order of birth in the family. Performance profiles on the movement ABC were used to classify 412 Greek children aged 4-6 years old.

Assessing disability in patients with rheumatic diseases: translation, reliability and validity testing of a Greek version of the Stanford Health Assessment Questionnaire (HAQ).

The purpose of this study was to translate into the Greek language the HAQ, validate its psychometric, and also, to assess the degree to which questions in the scale did address common themes, using exploratory factor analysis. HAQ has been translated into Greek (HAQ-GrV), applied to 53 patients with rheumatic pathology and validated as follows: Cronbach's alpha for the estimation of the internal consistency, and the assessment of test-retest reliability, Spearman's rho for the assessment of concurrent validity, and confirmatory factor analysis. The results showed the following: (a) The HAQ-GrV demonstrated very good internal consistency (alpha: 0.

A pilot study of the effects of high-intensity aerobic exercise versus passive interventions on pain, disability, psychological strain, and serum cortisol concentrations in people with chronic low back pain.

Background And Purpose: Given the complex nature of chronic pain, the effects of high-intensity aerobic exercise on pain, disability, psychological strain, and serum cortisol concentrations in people with chronic low back pain were investigated.

Subjects: Twenty subjects receiving primary health care were randomly allocated into exercise and control groups.

Methods: Subjects in the exercise group received a 12-week, high-intensity aerobic exercise program.