1 Collagen is most commonly found within the body in the skin, bones and connective tissues. 2  The word collagen is derived from the Greek kolla, meaning glue. 3  Collagen gives the skin its strength and structure, and also plays a role in the replacement of dead skin cells. Collagen is most commonly found within the body in the skin, bones and connective tissues. 2  The word collagen is derived from the Greek kolla, meaning glue. 3  Collagen gives the skin its strength and structure, and also plays a role in the replacement of dead skin cells.
Healing time depends on the severity of the strain. Mild muscle strains usually heal within two weeks. Moderate muscle strains may take six to eight weeks to heal. Prevention of Recurring Back Strain. Many people who experience recurring back pain have weak core muscles - the muscles that support the back.
There is no clear cut answer to this question. Healing time depends on a hell of a lot of things like how bad the strain is, age, what you do to treat yourself, etc. That said a mild strain of the lower back muscles will generally be pain free within 2 weeks.A serious strain can take up to 8 weeks to heal.ealing time depends on a hell of a lot of things like how bad the strain is, age, what you do to treat yourself, etc. That said a mild strain of the lower back muscles will generally be pain free within 2 weeks.