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.
How Long Does It Take to Recover? The recovery time for a muscle strain in the ribs can take around two weeks for a mild strain, three to four weeks for a moderate strain, and up to eight weeks for a severe strain. Even if there is a muscle tear, these injuries usually don't take longer than eight weeks to heal. Your doctor may advise no lifting or strenuous activity for a few weeks. Also, bed-rest or quiet rest in a chair may be required. During the time, you may need anti-inflammatory medications (Ibuprofen) and muscle relaxers to relieve muscle spasms.