Exam 3 Flashcards
Articulation
Where two bones meet (aka a joint)
Synarthrosis
A joint with no movement
Amphiarthrosis
A joint with some/partial movement
Diarthrosis
A joint with free movement
Syndesmosis
A type of joint where two adjacent bones (tibia + fibula) are joined by a membrane or ligament
What are the different types of joints?
Suture
Gomphosis
Synchondrosis
Syndesmosis
Symphysis
Synarthrosis joints (no movement) can be both _______ or ________
Fibrous; cartilaginous
Amphiarthrosis joints (little movement) can be both _______ or ________
Fibrous; cartilaginous
Diarthrosis joints (free movement) are classified in what structural category?
Synovial
What are the types of synarthrosis joints?
Suture, gomphosis, synchondrosis
What are the types of fibrous synarthrosis joints?
Suture, gomphosis
What are the types of cartilaginous synarthrosis joints?
Synchondrosis
Which type of joint is classified as a fibrous connection plus interlocked surfaces?
Suture
What is an example of where a suture joint can be found?
Between the bones of the skull
Which type of joint is classified as fibrous connections plus an insertion in a bony socket (alveolus)?
Gomphosis
What is an example of where a gomphosis joint can be found?
Between the teeth and bony sockets in the maxillae and mandible
What type of joint is classified as an interposition of cartilage bridge or plate?
Synchondrosis
What is an example of a place where a synchondrosis joint could be found?
Between the first pair of ribs and sternum
What are the two types of amphiarthrosis joints?
Syndesmosis and symphysis
What type of joint is classified as a ligamentous connection?
A syndesmosis joint
What type of joint is classified as a connection by a fibrocartilage pad?
Symphysis
What is an example of where a syndesmosis joint could be found?
Between the tibia and fibula
What is an example of where a symphysis joint could be found?
Between the two pubic bones
What type of joint is classified as a complex joint bounded by a joint capsule and containing synovial fluid?
Synovial joint (diarthrosis)
What is an example of where a synovial joint could be found?
The knee, between the femur and tibia
Which type of joint offers no movement?
Synarthrosis
Which type of joint offers little movement?
Amphiarthrosis
Which type of joint offers the freedom of movement?
Diarthrosis
What is an example of a synarthrosis joint?
The sutures of the skull
What is an example of an amphiarthrosis joint?
The vertebrae
What is an example of a diarthrosis joint?
The knee
Joined by a connective fibrous sheath of some kind, no joint cavity.
Fibrous joint
Skull sutures are held by _______ between the bones.
Fibers
Roots of teeth into the bones are anchored by the ___________ ligament.
Periodontal
some bones are held together by a ligament (____________ membrane) like the radius and ulna.
Interosseous
Two bones joined by a joint capsule and filled with synovial fluid.
Synovial joint
Most of the larger joints are _________ like the shoulder, elbow, hip and knee.
Synovial
All diarthroses are categorized structurally as ________ joints
Synovial
A slightly movable joint is called _______
An amphiarthrosis
A syndesmosis is an example of ____________
An amphiarthrosis
Which of these is NOT a characteristic of a diarthrosis?
a) Articular cartilages reduce friction between articulating bones
b) It may be located between the bones of the cranium
c) It may be affected by rheumatic diseases collectively called arthritis.
d) It is surrounded by a fibrous joint capule
B
the connective tissue that holds a tooth to a bony socket in a gomphosis is called the?
Periodontal ligament
Hyaline cartilage covering the end of a bone
Articular cartilage
Articular (joint) capsule fibrous connective tissue structure that is attached to each bone
Articular capsule
Fibrocartilage pads absorbing forces
Menisci
Sacs of connective tissue filled with synovial fluid; reduce friction around a ligament or tendon
Bursae
All synovial joints have an ____________ that lines the joint cavity.
Articular capsule
In a synovial joint, each bone is covered by _____________ made of hyaline cartilage to reduce friction and ease movement.
Articular cartilgae
In a synovial joint, _________ reduces friction and nourishes the articular cartilage.
Synovial fluid
In a synovial joint, lining the articular capsule is a _____________ that produces the synovial fluid.
Synovial membrane
A _________ is a fibrous connective tissue that attaches bone to bone, and usually serves to hold structures together and keep them stable.
Ligament
A ligament is a fibrous connective tissue that attaches _______ to ________, and usually serves to hold structures together and keep them stable.
Bone; bone
What type of tissue are ligaments made of?
Dense regular connective tissue
Ligaments both support and limit joint ______
Motion
__________ ligaments are outside of the articular capsule
Extrinsic
_________ ligaments are found within the articular capsule
Intrinsic
A ________ is a fibrous connective tissue that attaches muscle to bone.
tendon
A tendon is a fibrous connective tissue that attaches _______ to _______
Muscle; bone
What type of tissue are tendons made of?
Dense regular connective tissue
Tendons _______ the muscles to the joints they move and help support the stability of the joint
Anchor
Tendons anchor the muscles to the joints they move and help support the _________ of the joint
Stability
Fibrocartilage pieces that aid in joint stability by giving protection of compressive forces and guide the joint movement
Menisci
What are some examples of menisci?
The meniscus of the knee and the temporomandibular joint (TMJ)
The menisci are ___________ pieces that aid in joint stability by giving protection of compressive forces and guide the joint movement
Fibrocartilage
Synovial fluid sacs around tendons, ligaments or skin that decreases friction and direct contact at the joint.
Bursae
Bursae are Synovial fluid sacs around tendons, ligaments or skin that decreases ________ and direct contact at the joint.
Friction
Where are bursae found?
Between skin and bones, muscle and bone, between two muscles, or between tendon and bone.
_________bursae are found between skin and bone
Subcutaneous
What is an example of a subcutaneous bursae?
Achilles tendon
________ bursae are found between skin and bone
Submuscular
What is an example of a submuscular bursae?
Hip (trochanter bursa)
______ bursae are found between a tendon and bone
Subtendinous
A tendon ______ surrounds tendons when they cross a joint
Sheath
What is an example of a subtendinous bursae?
Subscapularis of the shoulder blade
Found around articular cartilages and filling spaces in the body; Helps to fill in spaces when joints move.
Fat pads
The ____________ is a joint structure that increases surface area for attachment of the humeral head at the shoulder joint
Glenoid labrum
A labrum is made up of ___________
Fibrocartilage
What are the features that make the elbow stable?
Olecranon process contacting the humerus
Ligaments around the joint.
Muscles crossing the joint.
It is non weight bearing.
What features make the shoulder stable?
Ligaments around the joint, muscles crossing the joint, it is non-weight bearing
What are the different shapes of joints?
Multiaxial
Biaxial
Uniaxial
Movement in three anatomical planes
Multiaxial
Movement in two anatomical planes
Biaxial
Movement in one anatomical plane
Uniaxial
What type of joint is classified by a rounded head of a bone (ball) into a depressed cavity of another (socket)
Ball and socket joint
Ball and socket joints are _________ joints, most moveable of all joints in the body
Multiaxial
What are some examples of ball and socket joints?
Hip and shoulder
What type of joint is uniaxial diarthrosis (movement in one plane)?
Pivot joint
What type of joint allows rotation around a single point?
Pivot joint
What are some examples of a pivot joint?
C1 and C2, proximal radioulnar joint
Hinge joints are ________ joints (movement)
Uniaxail
_______ joints allow for just movement in one plane, flexion and extension
Hinge
In a _______ joint, one bone has a concave surface where the other bone is convex and they fit together
Hinge
What are some examples of hinge joints?
Knee, interphalangeal joints (fingers), elbow
In ________ joints, both bones have a saddle shape. One with a concave surface and one with a convex surface
Saddle
saddle joints are _______ joints
Biaxial
What are some examples of saddle joints?
Trapezium and first metacarpal (thumb)
In a ________ joint, one bone has a depression where the other bone or bones have a rounded end.
Condyloid
Condyloid joints are ________ joints (where a hinge is only one plane)
Biaxial
What are some examples of condyloid joints?
Metacarpophalangeal joint (knuckle)
In a _______ joint, both bones have a relatively flat surface
Plane
Plane joints are _______ joints
Multiaxial
What are some examples of plane joints?
Carpal bones, tarsal bones, acromioclavicular joint
The glenohumeral joint is a ________ joint
Ball and socket
The Atlantoaxial joint is a ______ joint
Pivot