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.
You have to workout and pump up the muscles before the veins will show. To help pump more blood into your muscles perform higher repetitions and keep your rest periods between sets short. Strive to do at least 10+ reps per set and rest no more than 1 minute between sets.