-https://www.ncbi.nlm.nih.gov/pubmed/28251401
-https://www.ncbi.nlm.nih.gov/pubmed/26400696
-https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3761707/
-https://www.ncbi.nlm.nih.gov/pubmed/16679062
-https://www.ncbi.nlm.nih.gov/pubmed/25694615
-https://www.ncbi.nlm.nih.gov/pubmed/26400696
-https://www.ncbi.nlm.nih.gov/pubmed/16095425
-https://www.ncbi.nlm.nih.gov/pubmed/19996770
-https://www.ncbi.nlm.nih.gov/pubmed/21373870
-https://www.scienceforsport.com/post-exercise-stretching/#toggle-id-1
-https://www.strengthandconditioningresearch.com/2014/07/08/injury-strength-sports/
-https://www.youtube.com/watch?v=E81GN-3A8XM&t=89s
-https://www.youtube.com/watch?v=r2I4CrDlL3o
-https://www.ncbi.nlm.nih.gov/pmc/articles/PMC119442/