Age related profiles of free amino acids in human skeletal muscle. Stuerenburg H, Stangneth B, Schoser B. Journal Article 2006; 27(1-2): 133-136 PubMed PMID: 16648814 Keywords: Adult, Aged, Aging:metabolism, Amino Acids:metabolism, Amyotrophic Lateral Sclerosis:metabolism, Cytosol:metabolism, Female, Humans, Male, Middle Aged, Mitochondrial Myopathies:metabolism, Muscle, Skeletal:growth & development, Myositis:metabolism, Neurom. Citation : Sarcopenia describes the involuntary decline in muscle mass with aging, coupled with fatigue, and loss of force and function. We investi..... Read abstract