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Joints and Articulations
Joints and Articulations within the body
110
Anatomy
Undergraduate 1
02/07/2012

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Term
Name the 2 types of Articulation Classifications
Definition
Structural (anatomical)
Functional (physiological) degree of movement
Term
What are the 3 types of Structural (Anatomical) Classifications for Articulation
Definition
1. Fibrous
2. Cartilaginous
3. Synovial
Term
Describe Fibrous Joints
Definition
No joint cavity
Fibrous
Term
Describe Cartilaginouse Joints
Definition
No joint cavity
cartilage
Term
Describe synovial Joints
Definition
Most Numerous (knee, elbow, wrist & hip)

Contains a joint cavity
Ligaments
Surrounded by a capsule
Term
Describe the three Physiological (degree of movements) of joints
Definition
1. Synarthroses
2. Amphiarthroses
3. Diathroses
Term
Define Synarthroses and give an example
Definition
Tight fitting joint (little or no movement - fuses such as in a skull bone)
**immovable
Children it is Ampharthrotic
Term
Define Amphiarthroses and give example
Definition
Permitting little movement
Between Vertebrae
Slight movement
Term
Define Diathroses and give example
Definition
Free movement enclosed by articular capsule

all synovial joints
Knee, Elbow, wrist hip
Term
Define Synostosis
Definition
No movement between sutures, such as in adult sacrum and skull
Bony Joint
Complete fushion of bone across a suture line
Term
Define Suture
Definition
Found only between bones of the skull of children - known as Ampharthrotic.

Fibrous joint
dense fibrous CT
Term
Define Synchondrosis
Definition
Cartilaginous joint between 2 immoveable joints such as the pubic symphysis, sternum and mandibrum

Cartilaginous joint
Hyaline Cartilage
epiphyseal plate
Term
Define Gomphosis joint
Definition
Fibrous joint in which a cone-shape peg fits into a socket

Example is teeth
Term
Define Amphiarthroses
Definition
Joint permitting little motion

Symphysis or syndesmosis
Term
Define Symphysis:
Definition
Amphiarthroses type of joint
more movement than synchrondrosis
cartilaginous fibrous cartilage
Fibers fuse into bone
Intervertebral disc, pubic symphysis
Term
Define syndesmosis
Definition
Amphiarthroses type of joint
Fibrous connected by ligaments
such as Ulnar and tibia articulation
More fibrous CT than in a suture
More flexibility and movement
Term
What is the liquid within a Synovial Joint
Definition
Synovial fluid

Consisting of albumin, water and hyaluronic Acid
Term
What is the cartilage of a Synovial Joint
Definition
Articular "hyaline" cartilage
Term
What is a Bursa
Definition
Sack containing synovial fluid
reduces friction
resembles a joint capsule
located b/t skin and bone where skin rubs over bone
also found between tendons & bones and muscles & bones and within articular capsules
Term
What is Minisci
Definition
Fibrocartilage pad
Provides compressive shock
Term
Types of Diathroses (synovial joints)
Definition
Gliding
Hinge
Pivot
Ellipsoidal
Saddle
Ball and socket
Term
What is a Gliding Joint
Definition
Synovial / Diathroses type joint
non axial, where 2 bones come together such as the carpal joints or tarsal joints.
They slide back and forth
Term
What is a Hinge Joint
Definition
Synovial / Diathroses joint

Convex surface of 1 bone fits into concave surface of another bone

Example: Knee joint, elbow Joint or Ankle
Term
What type of joint is a Knee joint
Definition
Diathroses Synovial Hinge joint
Term
What type of joint is an elbow joint
Definition
Diathroses synovial Hinge Joint
Term
Type type of joint is an Ankle Joint
Definition
Diathroses synovial Hinge Joint
Term
What type of Joint is the Carpal Joint
Definition
Diathroses, Synovial, Gliding
Term
What type of Joint is the Tarsal Joint
Definition
Diathroses, Synovial, Gliding
Term
What is a Pivot Joint
Definition
Diathroses, Synovial

spinning / rotating joint

Example: Atlas and Axis or Ulna and Radius
Term
What type of Joint is the Atlas and Axis
Definition
Diathroses, Synovial, Pivot Joint
Term
What type of Joint is the Ulna and Radius
Definition
Diathroses, Synovial, Pivot
Term
Describe Ellipsoidal (Condyloid) Joints
Definition
Diathroses, Synovial
Oval shaped condyle of 1 bone fits into an elliptical cavity of another
Provides biaxial movement

Example: Wrist at radius and carpals
Term
What type of Joint is at the Wrist at Radius and Carpals
Definition
Diathroses, Synovial, Ellipsoidal (condyloid) joint
Term
Describe Saddle Joint
Definition
Thumb Joint
Articular surface of 1 bone is saddle shaped and the articular surface of another is shaped like the legs of a rider.

These are modified condylar joints

such as between Trapezium of the carpals and metacarpals of the thumb
Term
What type of Joint is found at the Trapezium of the carpals and metacarpals of the thumb
Definition
Diathroses / Synovial / Saddle Joints
Term
Describe Ball and Socket Joints
Definition
Diathroses (Synovial)

Ball like surface of 1 bone fitting into a cuplike depression of another

this type gives the largest ROM

Triaxial movement

Example: Shoulder or hip joint
Term
What type of Joint is the Shoulder Joint
Definition
Diathroses / synovial / ball and socket
Term
What type of Joint is the Hip Joint
Definition
Diathroses / Synovial / Ball and Socket
Term
Describe Flexion
Definition
Decrease in angle
Term
Describe Extension
Definition
Increases angle only to 180 degrees
Term
Describe Hyperextension
Definition
Increase angle beyond 180 degrees
Term
Describe Abduction
Definition
move away from the long axis of the body
Term
Describe Adduction
Definition
Move toward the long axis of the body
Term
Describe Rotation
Definition
Bone spins on own axis
Term
Describe Circumduction
Definition
Cone shaped Motion
Term
Describe Gliding
Definition
The surface of 1 bone moves back and forth from side to side over another surface
Term
Describe Inversion
Definition
Turning sole of foot inward (medial)
Term
Describe Eversion
Definition
Turning sole of foot outward (laterally)
Term
Describe Dorsiflexion
Definition
Turning toes Superiorly
Term
Describe Plantarflexion
Definition
Turning toes inferiorly towards sole of foot - pointing toes downward
Term
Describe Protraction
Definition
Move forward
Term
Describe Retraction
Definition
Move backward
Term
Describe Supination
Definition
Palm turned anteriorly or superiorly
Term
Describe Pronation
Definition
Palms turned posteriorly or inferiorly
Term
Describe Elevation
Definition
Movement Upward such as shrugging the shoulders or closing the mouth
Term
Describe Depression
Definition
Moving shoulders into a slouching position and/or opening the mouth
Term
Acrominoclavicular Joint

Where is it located
Definition
Gliding Joint -

Formed Where the Acromion of the scapula meets the distal end of the clavicle
Term
Where is the Glenohumeral Joint
Definition
It is a Ball and socketjoint

Where the Humerus and Scapula attach
Term
Where is the Sternoclavicular Joint
Definition
This is a double gliding joint between the sternum (breastbone) and the clavicle (collar bone)
Term
Where is the Coracoacromial ligament
Definition
Ligament between the coracoid process and the Acromion
Term
Where is the Subacromial Bursa located
Definition
It is below the Acromion of the Scapula below the deltoid muscle
Term
Where is the Corahumeral Ligament
Definition
this ligament joins the Humerus and Coracoid Process
Term
where is the C=glenohumeral Ligament
Definition
Attaches the Humerus and the Scapula
Term
Where is the Transverse Humeral Ligament
Definition
It spans the two tubercles at the head of the Humerus acting to hold firm the tendons of the biceps brachii muscle
Term
where is the coracoclavicular Ligament
Definition
Attaches the Coracoid process to the clavicle
Term
Where is the Trapezoid Ligament
Definition
Attaches the clavicle to the inferior side on the trapezoid line
Term
Where is the coracoclavicular Ligament
Definition
It attaches the Coracoid Process to the Clavicle
Term
Where is the Coranoid Ligament
Definition
The transverse ligament of the scapula which bridges over the suprascapular notch
Term
Where is the Superior Transverse Scapular Ligament
Definition
A thin flat ligament that is attached at one end to the coracoid process, bridges over the suprascapular notch converting it into a foramen and is attached at the other end to the upper margin of the scapula on it's dorsal surface
Term
Where is the Subscapular Bursa
Definition
Between the joint capsule and the tendon of the subscapularis muscle
Term
Where is the Articular Capsule of the shoulder
Definition
Attached along the outside ring of the glenoid cavity and the anatomical neck of the Humerous
Term
where is the Lateral Patellar Retinaculum
Definition
Connects the patella to the tuberosity of the tibia
Term
Where is the Lateral Fibular Collateral Ligament
Definition
Located on the lateral (outside) of the knee. Connects the Lateral Condyle of the Femur to the Fibula
Term
Where is the Infrapatellar Bursa
Definition
Below the knee cap space
Term
Where is the Suprapatellar Bursa
Definition
Directly behind the kneecap - helps to cushion the patellar
Term
Where is the Fibular Lateral Collateral Ligament
Definition
Connects the Lateral epicondyle of the femur to the Fibula Head
Term
Where is the Medial Patellar Retinaculum
Definition
It attaches the Continues from the knee cap to the tibia.
Term
Where is the Tibial medial collateral ligament
Definition
Attaches from the proximal medial condyle of the femur below the adductor tubercle, below the medial condyle of the tibia
Term
Where is the Oblique Popliteal Ligament
Definition
Attaches from the intercondyloid fossa and posterior surface of the femur close to the articular margines of the condyles and below to the posterior margin of the head of the Tibia
Term
where is the Arcurate Popliteal Ligament
Definition
It is "Y" shaped and attaches to the fibular head. The 2 insertions are the intercondylar area of the tibia and the lateral epicondyle of the femur
Term
Where is the Posterior Ligament of Head of Fibula
Definition
Back of the knee from the head of the Fibula to the back of the lateral condyles of the Tibia
Term
Where is the Lateral Meniscus of the Knee
Definition
Fibrocartilaginous, spans the lateral side of the interior of the knee.
Term
Where is the Medial Meniscus of the Knee
Definition
Fibrocartilaginous, spans the medial side of the knee
Term
Where is the Anterior Cruciate Ligament of the knee
Definition
Also known as ACL

Knotch of the distal femur to the medial wall of the lateral femoral condyle. It attaches in front of the intercondyloid eminence of the tibia.
Term
where is the Poserior Cruciate Ligament
Definition
AKA PCL

Posterior intercondylar area of the Tibia to the Medial Condyle of the Femur
Term
Where is the Iliofemoral Ligament
Definition
Within the hip joint, extends from the ilium to the femur
Term
where is the Ischiofemoral ligament
Definition
Triangular band, behind the acetabulum, connects the posterior end of the joint capsule and attach at the interchanteric line

Connects the Ilium to the Femoral
Term
Where is the Pubiofemoral Ligament
Definition
Attaches the Pubis to the femur
Term
Where is the Ligamentum Teres (ligament of the femoral head)
Definition
Triangular and flattened

Comes out of the hole from the Femoral head and attaches to the inside of the Acetabulum area
Term
Where is the Radial Lateral Collateral Ligament (of the wrist)
Definition
Lateral Side of the Radius,

Lateral epicondyle of the humers below to the annular ligament of the Radius
Term
Where is the Ulnar (medial) collateral Ligament
Definition
Medial condyle of the humerus to the coronoid process of the Ulna
Term
Annular Ligament of Radius
Definition
Encircles the head of the radius and retains it with the radial notch of the Ulna
Term
Bones of the Hand
Definition
Medial Cuneform
Lateral
Term
Name the bones of the hand:
Definition
Scaphoid
Lunate
Triquetral
Pisiform
Trapezium
Trapezoid
capitate
Hamate

All Irregular
Term
Name the bones of the foot:
Definition
Medial Cuneiform
Intermediate cuneiform
Lateral Cuneiform
Navicular
Cuboid
Talus
Calcaneus
All Irregular
Term
What is the function of the Vertebrae
Definition
Support of trunk
Transmits weight of Trunk to lower limbs
Protects spinal Cord
Provides attachment point for ribs, muscles of back and neck
Term
What is considered the Primary Curves
Definition
Thoracic and Sacral
Term
What is considered the Secondary Curves
Definition
Cervical and Lumbar
Term
How many Vertebrae are there in the Cervical area?
Definition
C1 - C7

C1 - Atlas
C2 - Axis
Term
How many Vertebrae are there in the Thoracic Region
Definition
T1 - T12 (Looks like a giraffe head)

T1 - T7 True Ribs (vertebrochondral)
T8 - T10 False Ribs (vertebrochondral)
T11 - T12 - Floating Ribs no attachment
Term
How many Vertebra are there in the Lumbar Region
Definition
L1 - L5

Thick Body
Term
How many vertebra are there in the Sacrum Region
Definition
5 - fused
Term
How many vertebra are there in the Coxxyc Region
Definition
4 - fused
Term
What is Scoleosis
Definition
Abnormal latural deviation of the spine, more common in females at puberty
Term
What is Kyphosis
Definition
Exagerrated curvature of the Thoracic spine
Term
What is Lordosis
Definition
Pregnancy Lumbar Curve (sway back)
Term
What is the function of the Intervertebral Discs
Definition
Shock Absorbers between vertebra
Thickest is Cervical and Lumbar
Contains Nucleus Popposus - gelatinous material for elasticity and compressability
Annulus Fibrosis - outside layer, collagen fiber, inner layer is fibrocartilage
Term
The Bony Thorax - Consist of what bones
Definition
Thoracic Vertebrae
Ribs
Sternum
Coastal Cartilage
Term
What is the function of coastal cartilage
Definition
Protection of vital organs of thoracic cavity
support shoulders, upper limbs
Attachmen for muscles of neck, back, chest and shoulders
Term
what lines the Medullary Canal
Definition
Osteogenic Layer
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