fitness equipment [5]
Material and apparatuses for carrying out exercises aimed at maintaining the physique and increasing muscular strength, flexibility and endurance.
barbell 
Gym equipment made up of cast-iron disks of various weights attached in equal weights to each end of a long bar, which is lifted with two hands.
sleeve 
End of the bar over which the disk slides.
collar 
Metal part that is clamped around the bar on both sides of the disk to keep it in place.
disk 
Cylindrical mass covered with rubber that is attached to the bar; the disks vary in weight from 0.5 to 55 lb.
bar 
Metal pole linking two disks that the athlete grips to raise the barbell; it has ridges to provide a solid grip.