The location of the hole (perforation) in the eardrum also effects the degree of hearing loss. If severe trauma (e.g. skull fracture) disrupts the bones in the middle ear which transmit sound or causes injury to the inner ear structures, the loss of hearing maybe quite severe.
1 Resting 1-3 minutes between sets is probably ideal for you. 2  The higher your training intensity is for a given exercise and/or the more demanding it is on your body, the more you should stay nearer to the 2-3 minute range.
For example, football players go all out for 2 to 5 seconds and then must be ready for the next play within 10 to 30 seconds. Athletes training for maximum speed need more rest time between sets; one popular method is to rest one minute for every 10 yards (9 meters) of running.