Articular System
Frontal plane joint motions?
Abduction/adduction, radial/ulnar deviation, eversion/inversion
Shape of triaxial joint?
Ball and socket
Amphiarthrosis structure
Cartilaginous
Two shapes of biaxial joints?
Condyloid, Saddle
Uniaxial joint example
Elbow, knee for hinge; Atlas/axia, radius/ulna for pivot
Bursa
Enclosed cavity filled with fluid that prevents friction on moving parts
Joint Capsule
Fibrous connective tissue that surrounds a joint
Syndesmosis structure
Fibrous ligaments join the bones
Synarthrosis structure
Fibrous periosteum between bones (sutures)
3 types of Joints? (classified by structure)
Fibrous, Cartilagenous and Synovial
Gomphosis structure
Fibrous, bolted together; peg-in-socket
Aponeurosis
Flat, thin, fibrous sheet of connective tissue that attaches a muscle to another part
Sagittal plane joint motions?
Flexion/extension
Biaxial joint motion?
Flexion/extension and abduction/adduction. Also rotation (accessory) for thumb and CMC.
Uniaxial joint motion?
Flexion/extension for hinge; Rotation for pivot
Triaxial joint motion?
Flexion/extension, abduction/adduction, rotation
Synovial Fluid
Fluid secreted from inside the lining of a joint capsule that lubricates the joint
Diarthrosis movement
Free
Which axis is associated with the Sagital plane?
Frontal axis
Nonaxial joint motion?
Gliding
Two shapes of uniaxial joints?
Hinge, pivot
Diarthrosis example
Hip. elbow, knee
Alternative name for articular cartilage
Hyaline cartilage
Nonaxial joint example
Intercarpals, tarsals
Shoulder fibrocartilage that deepens the glenoid fossa
Labrum
Amphiarthrosis motion
Little
Transverse plane joint motions?
Medial/lateral rotation, supination/pronation, right/left rotation, horizontal abduction/adduction
Semilunar-shaped cartilage at the knee
Menisci
Gomphosis motion
None
Synarthrosis motion
None
Shape of nonaxial joint?
Plane (irregular)
Syndesmosis example
Radioulnar, distal tibiofibular
Which axis is associated with the Frontal plane?
Sagital axis
Fascia
Sheath of CT that surrounds the muscle
Triaxial joint example
Shoulder, hip
Syndesmosis motion
Slight
Articular Cartilage
Smooth covering of bone ends
Tendon
Strong cord of CT that attaches a muscle to another part
Ligament
Strong, fibrous CT band that attaches bone to bone
Syntarthrosis example
Sutures in skull (soft spot)
Amphiarthrosis example
Symphysis pubis, intervertebral disks
Diarthrosis structure
Synovial
Rank the three basic types of joints from most to least amount of movement.
Synovial (free movement), Cartilagenous (little movement), Fibrous (slight or no movement)
Another name for diarthrodial joint?
Synovial joint
Gomphosis example
Teeth in mandible and maxilla
Synovial Membrane
The inside lining of the joint capsule
Biaxial joint example - Saddle
Thumb, carpometacarpals
Which axis is associated with the Transverse plane?
Vertical axis
Biaxial joint example - Condyloid
Wrist, metacarpals