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30 Cards in this Set

  • Front
  • Back
The site at which two or bones together.
An alternate name for a joint.
fixed joint
A joint where no movement occurs between the bones concerned. Also called an immovable joint. Eg sutures of the skull, bones of the sternum and pelvis.
freely movable joint
A joint where a great range of movement is possible. Eg synovial joints - ball and socket, hinge etc..
slightly movable joint
A joint where there is cartilage holding the bones together. They allow slight movements to occur. Eg symphysis pubis, costal cartilage, intervertebral discs.
synovial joint
A joint where there is a space between the articulating bones.
synovial cavity
The space between two articulating bones that is enclosed in a fibrous capsule.
synovial capsule
the fibrous capsule enclosing the synovial cavity. Joins to the periosteum of the diaphysis.
synovial membrane
Tissue that lines the inner surface of the capsule but not at the articulating surface. Responsible for secreting synovial fluid.
synovial fluid
Fluid that is seceted by the synovial membrane and fills the synovial cavity. This lubricates the joint for smooth movement and nourishes the cells of the articular cartilage.
articular cartilage
Connective tissue that covers the articulating surface of the bones at a joint. Provides a smooth surface for reducing friction in movement at the joint.
Cartilaginous disc found in some joints. Disc helps bones of different shapes to fit together to maintain joint stability.
Little sacs of synovial fluid positioned in such a way as to reduce friction between a bone and ligament ot tendon or between the bone and skin.
Strong connective tissue that joins bone to bone. The increases the stability of a joint.
ball and socket joint
Joint where the spherical head of one bone meets the cup-like cavity of the other articulating bone. They offer the greatest range of movement. Eg shoulder and hip joint.
hinge joint
A joint that only allow movement in one plane. Where the convex surface of one bone meets the concave surface of the other articulating bone. Eg elbow and knee joint.
pivot joint
Formed when the rounded, pointed or conical end of one bone articulates with a ring of bone or ligament. Allows movement around the longitudinal axis of a bone. Eg atlas and axis, radius and ulna.
gliding joint
A joint where the articulating bones are flat. Movement can only occur from side to side or back and forth. Eg wrist and ankle, sternum and clavicle.
saddle joint
A joint where the two articulating bones are shaped like saddles - one inverted on the other. A joint unique to primates allowing opposability.
movement that allows the thumb to cross the palm and touch the tip of each finger. Necessary for grasping objects in the palm or between the finger tips.
Movement involving bending - decreasing the angle between two bones.
Movement involving straightening - increasing the angle between two bones.
Movement away from the midline of the body.
Movement towards the midline of the body.
Movement around the long axis of a bone.
The circular movement of a body part.
Movement of the foot when on the heels.
Movement of the foot when pointing the toes.
Movement of the forearm to turn the palm up.
Movement of the forearm to turn the palm over.