This function computes a plank score (plank_score) based on the duration of time (in seconds) for which a plank is held. This score is used to
compute the physical competence domain score (pc_score).
Usage
get_plank_score(plank_time = NA)
Arguments
plank_time
A numeric vector representing time (in seconds).
Value
Returns a numeric vector with values between 0 and 10 (if valid) or NA (if not valid).
Details
Other capl functions called by this function include: validate_number().