1 To freeze: slice or chop peppers, spread in a single layer on cookie tray and freeze, then promptly place in airtight containers or heavy-duty freezer bags and return to freezer. 2  Freezer time shown is for best quality only â foods kept constantly frozen at 0Â° F will keep safe indefinitely.
Quick Answer. Hardening and thickening of the heart muscle, known as hypertrophic cardiomyopathy, is often the result of genetic inheritance, according to MedlinePlus. Defects and mutations in the genes that manage heart muscle growth, while inherited, can manifest differently in severity or symptoms across a family. Keep Learning.
Muscles can also tighten up following exercise. This is felt as muscle soreness. Delayed onset muscle soreness (or DOMS) can be felt as pain and stiffness in the muscles for 24 to 72 hours post-exercise. DOMS is most intense following exercises that focus on eccentric contractions where a weight is lowered or slowed.acefit/healthy-living-article/60/1478/why-do-muscles-tighten-up Tight muscles are not only frustrating and painful, but can also limit movement. Worst of all, they can make it harder to stick to your exercise program.