Does once in a day masturbation decreases strength and effects in muscles? Does it have impacts on gym performance and freehand exercises.

Question

NO,
Sexual desire comes due to a person's hormones especially testosterone in males.

Testosterone is the hormone of the Maleness. It is what gives men vigor, vitality, sexual desire, strength ( as compared to female ) and increased bone density, muscle mass and male pattern of hair growth.

For the same weight female, her male counterpart has more muscle mass and strength.

when a person goes to gym, his ability to lift weights, his muscle mass can be enhanced by this same hormone which is produced in his body.

You are 18 and at this age the hormones are in good levels, so a person of your age has sex desires and thoughts. If he masturbates, its normal. Masturbation is normal and even animals are known to do it.

If one masturbates it is ONLY to relieve his sexual urge.

During masturbation, the body perceives it is "actual sex" and the pleasure is also there, which every man experiences at sex.
During sex many good hormones and chemicals are liberated in body which give us the sensation of satisfaction, bonding, ecstasy.

The body gets these "Good chemicals" and it helps the body. 
So sex and masturbation are NORMAL.

It does not have any Bad effects on the body or on a person doing Gym exercises

Parag Patil · Accepted Answer