id	keyword
bam-8327	decline
bam-8327	aging
bam-8327	master
bam-8327	world
bam-8327	age
bam-8327	athletes
bam-8327	performance
bam-8327	records
bam-8327	differences
bam-8327	events
bam-8327	doi
bam-8327	muscle