The capsule of the shoulder joint is made up of fibrous tissue.
"Surrounding the shoulder joint is a watertight sac called the joint
capsule. The joint capsule holds fluids that lubricate the joint. The
walls of the joint capsule are made up of ligaments. Ligaments are
soft connective tissues that attach bones to bones. The joint capsule
has a considerable amount of slack, loose tissue, so that the shoulder
is unrestricted as it moves through its large range of motion. If the
shoulder moves too far, the ligaments become tight and stop any
further motion, sort of like a dog coming to the end of its leash."
eORTHOPOD: A Patient's Guide to Shoulder Instability
"A "capsule" is a membrane or sac enclosing a body part, usually a
joint. "Capsular ligaments" are surrounded and reinforced by muscles
tendons, and ligaments, which are largely responsible for keeping the
adjoining parts together. The "joint capsule" of the shoulder is
attached along the outside ring of the genoid cavity and the
anatomical neck of the humerus. Although it completely covers the
joint, the capsule is very loose and by itself would be unable to keep
the bones of the joint in close contact without the aid of the fibers
Innerbody: Skeletal System (Capsule of The Shoulder Joint)
"The capsule of the shoulder consists of a synovial lining and three
well defined layers of collagen. The fibers of the inner and outer
layers extend in a coronal access from the glenoid to the humerus. The
middle layer of the collagen extends in a sagittal direction, crossing
the fibers of the other two layers. The relative thickness and degree
of intermingling of collagen fibers of the three layers vary with
different portions of the capsule. The ligamentous components of the
capsule are represented by abrupt thickenings of the inner layer with
a significant increase in well organized coarse collagen bundles in
the coronal plane."
FreePatentsOnline: Method and apparatus for controlled contraction of soft tissue
"The Rotator Cuff is the capsule that holds the shoulder together. It
is made up of fibrous tissue that surrounds the head of the upper arm
as it fits into the shoulder joint. As you can see the upper part of
the arm actually fits into a joint that is flat, instead of cup
shaped. For this reason the muscles and the ligaments holding the
shoulder together must be balanced to keep the arm in the shoulder
joint, while still giving the shoulder the great rotation that it
normally has. The capsule is made of fibrous tissue that comes
together from all the tendons leading from the muscles."
capsule shoulder fiber OR ligament
capsule shoulder tissue OR fibers "made of"
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