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Anat1 - Joints

(Week 3)

QuestionAnswer
The 2 main ways joints are classified are: by function & by structure
The three functional classes of joints are: synarthroses, amphiarthroses, diarthroses
Synarthroses joints are _______. immovable
Amphiarthroses joints are _______ _______. slightly movable
Diarthroses joints are _______ _______. freely movable
The three structural classifications of joints are: fibrous, cartilaginous, synovial
Fibrous structural joints are joined by _________ _______, and there is no _______ _______. Most are immovable. fibrous tissues, joint cavity
The three types of fibrous structural joints are: sutures, syndesmoses, gomphoses
Sutures occur between the bones of the _______. skull
The connection between the tibia and fibula, and the radius and ulna are examples of _______ fibrous structural joints. syndesmoses
The peg-in-socket fibrous joint between a tooth and its alveolar socket is an example of _______ fibrous structural joints. gomphoses
Cartilaginous structural joints lack a _______ _______. joint cavity
The two types of cartilaginous structural joints are: synchondroses, symphysis
Intervertebral joints are examples of _______ cartilaginous structural joints. symphysis
The most common type of joint in the body are the _______ joints. synovial
The joints in which the articulating bones are separated by a fluid-containing joint cavity are the _______ _______. synovial joints.
All limb joints are examples of _______ joints. synovial
Synovial joints all have the following: articular _______, _______ cavity, articular _______. cartilage, joint, capsule
_______ are flattened, fibrous sacs which are lined with synovial membranes and contain synovial fluid. Bursae
An elongated bursa that wraps completely around a tendon is called a _______ _______. tendon sheath
The _______ _______ position of a joint surfaces are maximally congruent or in maximum contact. close pack
The open pack (aka loose pack) position of a joint is: any position other than close pack
Name all of the nonaxial synovial joints. plane
Name all of the uniaxial synovial joints. hinge, pivot
Name all of the biaxial synovial joints. condyloid (or ellipsoidal), saddle
Name all of the multiaxial synovial joints. ball-and-socket
There are ___ types of synovial joints. 6
The intercarpal and intertarsal are examples of _______ joints. plane
The elbow joints, interphalangeal joints, and knee joints are all examples of _______ joints. hinge
The proximal radioulnar joint is an example of a _______ joint. pivot
The radiocarpal (wrist) joints, and metacarpophalangeal (knuckle) joints are examples of _______ joints. condyloid (ellipsoidal)
The carpometacarpal joint of the thumb is an example of a _______ joint. saddle
The shoulder and hip joints are examples of _______ joints. ball-and-socket
Movements of synovial joints occur as a result of _______. muscles
_______ is a bending movement that decreases the angle of the joint. Flexion
_______ is a bending movement that increases the angle of the joint. Extension
_______ is movement away from the midline. Abduction
_______ is movement toward the midline. Adduction
_______ is movement that describes a cone in space. Circumduction
When the hand is supinated, the palm is facing _______. upward
When the hand is pronated, the palm is facing _______. downward
Created by: sdouglass