This balance training increases the MUSCULAR STRENGTH of Jeannette's physical fitness. Muscular strength refers to the amount of force that muscles can generate.
Muscular strength is defined as the amount of force that a single muscle can generate in a particular movement.
This force (muscular strength) can be measured as the maximum force developed by a single muscle during a contraction, which is referred to as 1 repetition maximum (1RM).
Conversely, muscular endurance refers to the ability of a single muscle to exert less than maximum force repeatedly.
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