On different sites and forums, the proper depth for squatting will vary, but there is at least one consensus – at least hit 90 degrees. When you fail to reach 90 degrees, you’re not only cheating yourself but putting yourself at a higher risk of injury. Squatting to parallel puts the posterior chain in your body into play. This creates a balancing force and takes pressure off your tendons. Hitting at least 90 degrees is the bare minimum. If that’s all you can do, great, but try to break to parallel. Going slightly past parallel gives your legs just that little extra. Plus if you’re into powerlifting, past parallel is a requirement.
Testosterone can be administered parenterally , but it has more irregular prolonged absorption time and greater activity in muscle in enanthate , undecanoate , or cypionate ester form. These derivatives are hydrolyzed to release free testosterone at the site of injection; absorption rate (and thus injection schedule) varies among different esters, but medical injections are normally done anywhere between semi-weekly to once every 12 weeks. A more frequent schedule may be desirable in order to maintain a more constant level of hormone in the system.  Injectable steroids are typically administered into the muscle, not into the vein, to avoid sudden changes in the amount of the drug in the bloodstream. In addition, because estered testosterone is dissolved in oil, intravenous injection has the potential to cause a dangerous embolism (clot) in the bloodstream.
When concluding a cycle, some steroid users also follow a practice of first slowly reducing their dosages (tapering). This tapering may proceed for a 3-4 week period, and will involve an even stepping down of the dose each week until the point of drug discontinuance. It is unknown, however, if such tapering offers any tangible value. This practice has never been evaluated in a clinical setting, and is not widely recommended with steroid medications as it is with some other drugs such as thyroid hormones or antidepressants. Virtually every high-dose AAS administration study can also be found to end at the maximum dosage, with no time allotted to tapering. One flaw in the logic of using a tapering program is that they are ostensibly designed to aid hormone recovery. Recovery is not possible, however, while supraphysiological levels of androgens are present, and such levels are usually found during all weeks of a normal (nonmedical) steroid taper. Individuals remain cautioned that dosage tapering is not a proven way to reduce post- cycle muscle catabolism.