Skeletal Joints Questions

mwhyett's version from 2016-05-20 16:43


Question Answer
What 3 terms are joints also known as?1. Juncturae. 2. Articulations. 3. Arthroses.
What is the definition of a joint?The point at which two or more bones are connected.
What are the three functions of joints?1. Growth. 2. Rigidity. 3. Movement.
What are the three structural classifications of joints?1. Fibrous. 2. Cartilagenous. 3. Synovial.
What are the three functional classifications of joints?1. Synarthrosis. 2. Amphiarthosis. 3. Diarthrosis.
What are three types of a fibrous joint?1. Sutures. 2. Gomphoses. 3. Syndesmoses.
What characterises a fibrous joint?The unity of bones formed by fibrous connective tissue with no synovial cavity.
What are sutures and where are they found?A suture is a fibrous connective joint found in the skull only.
What are gomphoses and where are they found?A fibrous connective tissue joint found where teeth articulate with bone.
What are three examples of sutures?1. Coronal. 2. Saggital. 3. Lambdoid. 4. Squamosal.
What are two examples of gomphoses?1. Alveolar margins of the maxillae. 2. Alveolar margins of the mandible.
What are syndesmoses and where are they found?A fibrous joint found where bony surfaces are connected by interosseous ligaments.
What are three examples of syndesmoses?1. Tibio-fibular joint. 2. Radio-ulnar joint. 3. Ligamentum flava.
What characterises a cartilaginous joint?A union formed by cartilage with no synovial cavity.
What are two examples of a cartilagenous joint?1. Synchondroses. 2. Symphases.
What are synchondroses and where are they found?Synchondroses are temporary hyaline cartilage found between epiphysis and diaphysis.
What are three examples of synchondroses?1. Between growing long bones. 2. Sterno-costal joints. 3. Between sphenoid and occiput.
What are symphases?Symphases use hyaline cartilage and a fibrocartilage pad.
What are three examples of symphases?1. Symphasis pubis. 2. Manubriosternal joint. 3. Between vertebral bodies and sacrococcygeal joint.
What characterises a synovial joint?A joint surrounded by a fibrous capsule that contains a synovial membrane and synovial fluid.
What structures are accessories to synovial joints?1. Ligaments. 2. Blood supply. 3. Nerve supply. 4. Bursae. 5. Tendons. 6. Joint discs. 7. Fat pads.
How many types of synovial joints are there?7
Name the seven types of synovial joints.1. Plane. 2. Hinge. 3. Pivot. 4. Ellipsoid. 5. Saddle. 6. Condylar. 7. Ball and socket.
What is a plane joint?A joint where two fairly flat surfaces meet paired with a gliding movement.
Name some examples of plane joints.1. 2nd-5th carpo-metacarpal. 2. Sacro-iliac. 3. Tibio-fibular. 4. Tarso-metatarsal. 5. Acromio-clavicular. 6. Costo-vertebral. 7. Between the vertebral arches.
What is the structure of a hinge joint?One concave and one convex surface with strong collateral ligaments.
Name some examples of hinge joints.1. 1st Metacarpo-phalangeal. 2. Interphalangeal. 3. Elbow. 4. Ankle.
What characterises a pivot joint?Rotation within a ring or vice versa.
Name some examples of a pivot joint.1. Superior radio-ulnar. 2. Inferior radio-ulnar. 3. Median atlanto-axial.
What characterises an ellipsoid joint?An elliptical concave and an oval convex surface with biaxial movement.
Name some ellipsoid joints.1. Wrist. 2. 2nd-5th Metacarpo-phalangeal. 3. Metatarso-phalangeal. 4. Atlanto-occipital.
What is a saddle joint?A joint that is the opposite of an ellipsoid joint, with biaxial movement.
Name some examples of a saddle joint.1. 1st carpo-metacarpal. 2. Calcaneo-cuboid. 3. Sterno-clavicular. 4. Ankle
What characterises a condylar joint?A joint with a convex condyle and concave surface. It has primarily uniaxial movement but with some degree of rotation.
Name some examples of a condylar joint.1. Temporo-mandibular. 2. Knee.
What characterises a ball and socket joint?A joint with a spherical head in a cup shaped cavity.
What degree of movement does a ball and socket joint have?Multiaxial movement.
Name some examples of ball and socket joints.1. Hip. 2. Shoulder.