A Study to Evaluate the Effect of Testosterone on Muscle Fractional Synthetic Rate (MK-0000-064)

Inclusion Criteria: * Subject is weight stable over the past 3 months * Patient agrees to refrain from consumption of alcohol from 48 hours prior to entering the study * Subject agrees to follow the study restriction of no caffeine while on study * Patient agrees to following the meat-free controlled protein weight-maintaining diet * Patient is willing to avoid strenuous physical activity * Patient has been a nonsmoker for at least 6 months prior to study start Exclusion Criteria: * Subject is currently a regular user of any illicit drugs * Subject has taken androgenic steroids in the previous 12 months * Subject has participated in sports events, resistance exercise training or heavy exercise in the previous month * Subject has prostate cancer * Subject has a history of cancer except basal-cell tumors * Subject has been diagnosed with HIV * Subject has been diagnosed with Hepatitis B or C * Subject uses certain anti-inflammatory drugs such as ibuprofen, arcoxia or celecoxib * Subject uses a blood anticoagulant, such as Coumadin (Warfarin) or high doses of aspirin * Subject is currently taking over the counter supplements such as "muscle builders" or "fat burners" * Subject has an allergy or hypersensitivity to intramuscular testosterone * Subject has sciatica * Subject has donated blood products or has had phlebotomy within 2 months of signing informed consent * Subject has undergone a surgical procedure within 1 month of signing informed consent * Subject is currently participating or has participated in a study with an investigational drug or device