[PDF] Assessing the individual relationships between physical test improvements and external load match parameters in male professional football players—a brief report | Semantic Scholar (2024)

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The development of a framework that guides experimental studies is highly recommended, particularly on manipulating metrics analyzed between training and match sessions, injury prevention, and nutrition, to improve the preparation and decision-making of athletes based on reliable data.

The meanings of terms used in epidemiology such as exposure, external dose, internal dose and dose–response are explored from a causal perspective and their underlying concepts are contextualised to the physical training process.

It is suggested that both external load autoregulated and self-selected, low-volume in-season strength training maintained physical, and external load match performance in professional male football players maintained or improved their performance.

Given their associations with physical fitness and non-invasive nature, certain external-to-internal load ratios may be used to monitor physical fitness in soccer players, however, the ratios may not be sensitive enough to detect small yet practically relevant alterations in player fitness.

Physical performance tests to be associated with some of the external load variables from scrimmages, but the majority of correlations did not display meaningful associations, possibly being influenced by the selection of physical performance tests.

Most of the included assessments can be used with confidence by researchers and coaches to measure strength and power in athletes, and highlight the importance of controlling testing reliability at each testing center and not relying on data from others, despite having applied the same protocol.

Do you Play or Do you Train?

This study collected scientific evidence that can aid sport science and coaching practitioners in understanding the construct validity of anthropometric and laboratory- and field-based assessments.

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