At least 5 months.
Good to exercise daily but if you do resistence training give each muscle group 48 hours before using it again.
Yes, exercising the core muscles for 2 hours each day of the week is extremely unhealthy. The core muscles, just like every muscle group, must have adequate time to heal and repair. Exercising muscle groups more than twice a week is over-training and may cause serious problems.
8 to 12 tmes permuscle group
The hamstring muscle group (biceps femoris, semitendonosis, semimembranosis) are the antagonists to the quadricep group.
The erector spinae is the muscle you are looking for, however is should be noted that technically this is a large group of muscles.
The scapula is not a muscle; it is a bone.
A skeletal muscle
Two days
Muscle is an organ! An organ is made up of a group of tissue and muscle is made up of a group of tissue! So muscle is an organ sure! Just me!
Two days
No! N-o!
Muscle of the hand.