Absolutely. HGH stimulates cellular division in cartilage. AAS also induce osteogenesis.
(Endocrinology 130:3057–3065[Abstract]; Hedner E, Linde A, Nilsson A 1996) See also: (Systemically and locally administered growth hormone stimulates bone healing Clinical Oral Implants Research Volume 13 Issue 6 Page 631 - December 2002)