Chapter 9 - Joints Flashcards
(117 cards)
Abduction
Movement in the coronal plane that moves a limb laterally away from the body; spreading of the fingers
Acetabular labrum
Lip of fibrocartilage that surrounds outer margin of the acetabulum on the hip hone
Adduction
Movement in the coronal plane that moves a limb medially toward or across the midline of the body; bringing fingers together
Amphiarthrosis
Slightly mobile joint
Angular ligament
Intrinsic ligament of the elbow articular capsule that surrounds and supports the head of the radius at the proximal joint
Anterior crucial ligament
Intracapsular ligament of the knee; extends from anterior, superior surface of the tibia to the inner aspect of the lateral consuls of the femur; resists hyperextension of knee
Anterior talofibular ligament
Intrinsic ligament locates on the lateral side of the ankle joint, between the talus bone and lateral malleolus of fibia; supports talus at the talocrural joint and resists excessive inversion of the foot
Articular capsule
Connective tissue structure that encloses the joint cavity of a synovial joint
Articular cartilage
Thin layer of hyaline cartilage that covers the articulating surfaces of bones at a synovial joint
Articular disc
Meniscus; a fibrocartilage structure found between the bones of some synovial joints; provides padding or smooths movements between the bones; strongly unites the bones together
Articulation
Joint of the body
Atlanto-occipital joint
Articulation between the occipital condyles of the skull and the superior articular processes of the atlas (C1 vertebra)
Atlantoaxial joint
Series of three articulations between the atlas (C1) vertebra and the axis (C2) vertebra, consisting of the joints between the inferior articular processes of C1 and the superior articular processes of C2, and the articulation between the dens of C2 and the anterior arch of C1
Ball-and socket joint
Synovial joint formed between the spherical end of one bone (the ball) that fits into the depression of a second bone (the socket); found at the hip and shoulder joints; functionally classified as a multiaxial joint
Biaxial joint
Type of diarthrosis; a joint that allows for movements within two planes (two axes)
Bursa
Connective tissue sac containing lubricating fluid that prevents friction between adjacent structures, such as skin and bone, tendons and bone, or between muscles
Calcaneofibular ligament
Intrinsic ligament located on the lateral side of the ankle joint, between the calcaneus bone and lateral malleolus of the fibula; supports the talus bone at the ankle joint and resists excess inversion of the foot.
Cartilaginous joint
Joint at which the bones are united by hyaline cartilage (synchondrosis) or fibrocartilage (symphysis)
Circumduction
Circular motion of the arm, thigh, hand, thumb, or finger that is produced by the sequential combination of flexion, abduction, extension, and adduction
Condyloid joint
Synovial joint in which the shallow depression at the end of one bone receives a rounded end from a second bone or a rounded structure formed by two bones; found at the metacarpophalangeal joints of the fingers or the radiocarpal joint of the wrist; functionally classified as a biaxial joint
Coracohumeral ligament
Intrinsic ligament of the shoulder joint; runs from the coracoid process of the scapula to the anterior humerus
Deltoid ligament
Broad intrinsic ligament located on the medial side of the ankle joint; supports the talus at the talocrural joint and resists excess eversion of the foot
Depression
Downward (inferior) motion of the scapula or mandible
Diarthrosis
Freely mobile joint