Muscular fitness in relation to physical activity and television viewing among young adults.

Purpose: To study how time spent in physical activity and that in television (TV) viewing are associated with muscular fitness among young adults.

Methods: The study population consisted of a cross-sectional sample of 381 males and 493 females aged 19.1 yr (SD 0.

Reproducibility and reference values of inclinometric balance and isometric trunk muscle strength measurements in Finnish young adults.

The objectives of the study were to evaluate the reproducibility of the maximal isometric trunk muscle strength testing and inclinometric method to measure body sway and to establish reference values for these measurements in young Finnish adults. Reproducibility was assessed with 2 repeated measurements. Reference values are based on the cross-sectional cohort data.