A wide range of movement experiences over the early years of life is crucial for the development of expertise in skill later in adulthood. A set of movements termed Fundamental Movement Skills has been suggested as a precursor for performance of more complex movement. The attainment of FMS during childhood is certainly a noble and worthwhile aim. However, we argue that mastery of FMS as demonstrated through movement assessment batteries does not sufficiently capture movement competence in the general population. Contemporary views of motor development, such as Ecological Dynamics, suggest instead, that regardless of prior acquisition of a “fundamental” set of skills, an individual’s motor competence is the result of self-organisation under constraint to achieve outcome goals. We propose a working definition of movement competence that stresses the importance of the role of affordance detection and utilisation throughout the lifespan. Thus, what should be considered “foundational” is a wide range of movement experiences that allows an individual adequate opportunities for exploration and refinement in order to build expertise. Encouragingly, new movement assessment tools are emerging that apply these important theoretical concepts and help to reveal how individuals can demonstrate their movement adaptability instead of performing isolated movements based upon an “ideal” standard.
Validated assessment tools for movement competence typically involve the isolation and reproduction of specific movement forms, which arguably neglects individuals’ ability to combine and adapt movements to overcome constraints within a dynamic environment. A new movement assessment tool, the General Movement Competence Assessment (GMCA), was developed for this study using Microsoft Kinect. Movement competence of 83 children (36 boys and 47 girls), aged 8–10 years (9.06 ± 0.75 years) was measured using the GMCA. An exploratory approach was undertaken to examine the internal consistency reliability (McDonald’s omega coefficient) and factorial structure of the GMCA for the study sample. Factorial structure was determined using exploratory factor analysis by principal component analysis with varimax rotation. For the sample data, reliability for the GMCA games were acceptable (ω = 0.53–0.89) and indicated that combinations of movement attributes were measured by GMCA games. Factorial analysis extracted four movement constructs accounting for 71.31% of variance. Dexterity was tentatively identified as a new independent construct alongside currently accepted movement constructs (i.e., locomotion, object-control, stability). While further development of the GMCA is still required, initial results are encouraging in view of an objective and theoretically informed approach to assess general movement competence in children.
Learning aquatic skills is an important component of developing physical literacy in children. Aquatic skills such as floating, swimming and safe entry/exit promote engagement in different water environments and may help preserve lives in an emergency. This scoping review was conducted to evaluate the influence of task constraints (i.e., equipment) and environmental constraints (i.e., physical and social) on how children learn foundational aquatic skills. In developed countries, children are typically taught in swimming pools under direct supervision. It is also not uncommon to see children and infants learning to swim with assistive equipment (e.g., buoyancy aids). However, perhaps surprisingly, the evidence on how and where children learn aquatic skills does not uniformly promote such practices. For example, the use of flotation devices has not been proven to aid skill learning. Some researchers have advocated that children should learn aquatic skills whilst wearing outdoor clothing. One benefit of children wearing clothing is an increased capacity to practice in colder water (such as the ocean, rivers, or lakes). Overall, whilst practitioners often use equipment for various reasons it seems that not all equipment is equally useful in promoting the acquisition of aquatic skills. In less developed countries, with limited access to swimming pools and fewer resources for private instruction, a range of different open water aquatic environments and practices, such as swimming in temporarily flooded areas, have been reported. Such strategies are in urgent demand of further research given that drowning rates in less developed countries around the world exceed those in developed nations. It can be argued that learning in pools does not afford the opportunities to develop the whole range of adaptive skills that may be required in different open water environments such as navigating currents and waves, floating whilst clothed, or making life-saving decisions. Consequently, a shift toward teaching in open water environments has occurred in several countries. This review provides an evidence-base upon which practitioners can design more effective aquatic education programs for children.
Preoperative cleansing of a patient's skin with chlorhexidine gluconate (CHG) in alcohol is superior to cleansing with povidone-iodine for preventing surgical site infection (SSI) after clean-contaminated surgery (Darouilche et al 2010). However, 2% CHG in 70% alcohol, tinted pink, is colourless when applied to limbs for surgery and complete coverage cannot be assured. The purpose of the study was to evaluate the efficacy of food colouring added to CHG in preoperative skin preparation. Two hundred and eight subjects were randomly selected from a population of healthy young adults and were given a questionnaire. They were excluded if they had a known allergy to CHG or food dye, a current infection at the preparation site, or previous preparation with CHG at the site. CHG with food dye additive was applied on the subject's left foot while CHD without the additive was applied on the right. Skin swabs were then taken of both feet and plated on blood agar plates and incubated for 48 hours. Assessment of growth was compared. Patients treated with tinted CHG had around 3.4 times (95% CI: 1.5, 7.8) the risk of a positive bacterial swab compared with those treated with untinted CHG. The efficacy of CHG significantly decreased with food colouring additive. This is consistent with previous studies conducted on similar incompatible substances. In order to have the full efficacy of CHG as a preparation, much thought and care needs to be taken to prevent contamination of the site and substance.
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