The coccygeus and levator ani are technically muscles of the pelvic floor, however, they are also muscles whose contraction forces cross the sacroiliac joint and therefore often tighten when a sacroiliac joint condition exists. The coccygeus attaches from the sacrum and coccyx to the ischial spine of the pelvic bone.
Treatment should never be administered without a diagnosis. In the world of manual therapy, treatment should only be performed if an assessment is made.
Sprains and strains are similar in nature. When a ligament or joint capsule is torn, it is termed a sprain; when a muscle is torn, it is termed a strain.
Four of the most common causes of tight muscles of the low back (or anywhere in the body) are: overuse, splinting, adaptive shortening, and overstretching.
The “action” of a ligament is similar to that of an antagonist muscle. If either is tight/taut, it restricts motion to the opposite side.
Motions of the Joints of the Pelvis This blog post article is an overview of the motions of the joints of the pelvis: the paired left and right sacroiliac joints and the symphysis pubis joint. For more complete coverage of …