Joints are...
connections between bones that may or may not permit movement
two bones may be in direct contact w/ each other or separated by... (3)
1. cartilage
2. fluid
3. fibrous tissue
joints are classified on... (2)
1. function
- range of motion
2. structure
- makeup of the joint
joint classification
1. range of motion (3)
1. synarthrosis
2. amphiarthrosis
3. diarthrosis
1. synarthrosis
2. amphiarthrosis
3. diarthrosis
1. immovable
2. slightly movable
3. freely movable
1. synarthrosis
- include (4)
A. sutures
B. gomphosis
C. synchondrosis
D. synostosis
1. synarthrosis
A. surutes
B. gomphosis
C. synchondrosis
D. synostosis
A. joints found only in the skull. bones are interlocked together
B. joint between teeth and jaw bones. Periodontal ligaments of the teeth
C. joint within epiphysis of bone. Binds the diaphysis to the epiphysis
D. joint between two fused bones. Fusion of the three coxal bones
2. Amphiarthrosis
A. Syndesmosis
B. Symphysis
2. Amphiarthrosis
A. syndesmosis
B.symphysis
A. ligaments that connect two bones but limit their motion. Between the radius and ulna, Between the tibia and fibula
B. bones are separated by a wedge or pad of cartilage. Between the pubic bones of the two coxal bones
3. Diarthroses
A. also called...
B. typically found...
C. examples
A. synovial joints
B. at the ends of long bones
C. shoulder, elbow, hip, knee
Characteristics of synovial joints
(6)
1. A joint capsule
2. The presence of articular cartilages
3. A joint cavity with synovial fluid
4. A synovial membrane
5. Accessory structures (cartilage, ligaments, 6. 6. tendons, bursae sacs)
7. Sensory nerves and blood vessels
fibrous joints (2)
1. sutures
2. syndesmosomes
Cartilaginous joints (4)
1. symphyses
2. intervertebral discs
3. synchondroses
4. epiphyseal plates
synovial joints
1. synovial membrane
2. synovial cavity w/ synovial fluid
3. articular cartilage (hyaline)
4. articular capsule (reinforced by ligaments)

1. bursa 2. joint capsule
3. synovial membrane 4. meniscus
5. intracapsular ligament 6.joint cavity
7. patellar ligament 8. articular cartilage
joints can be classified by their make up (4)
1. bony fusion (fusion to frontal bone)
2. fibrous joint (skull sutures)
3. cartilaginous joint (pubic symphysis)
4. synovial joint (ball and socket joints and hinge joints)
function of synovial fluid (3)
1. Lubricates
2. Nourishes chondrocytes
3. Acts as shock absorber

1. lateral meniscus 2. medial meniscus
3. anterior cruciate ligament
4. posterior cruciate ligament
5. tibial collateral ligament
6. fibular collateral ligament
types of movement (4.
1. linear movements
2. angular movements
3. rotation
4. special movements

1. initial position
2. linear motion
3. angular motion
4. circumduction
5. rotation
movement types
1. linear movement
-examples (3)
2. Angular movements
- examples (2)
1. two bones gliding past each other
- Carpal/carpal, tarsal/tarsal, clavicle/sternum
2. abduction/adduction, flexion/extendion
movement types
3. Rotational movements
4. special movements
- examples (6)
3. pronation/supination
4. inversion/eversion, dorsiflexion/plantar flexion, lateral flexion, protraction/retraction, opposition, depression/elevation
structural classification of joints (6)
1. plane joints 4. condylar joints
2. hinge joints 5. saddle joints
3. pivot joints 6. ball and socket joints
structural classification of joints
1. plane joints
2. hinge joints
3. pivot joints
1. gliding joints
A. Nonaxial (glides only in one direction)
B. Multiaxial (glides in all directions
2. Flexion and extension
3. Rotational movements
structural classification of joints
1. plane joints examples
2. hing joints examples
3. pivot joints examples
1. carpal/carpal, tarsal/tarsal, vertebrae/vertebrae, clavicle/sternum
2. elbow and knee
3. atlas/axis
structural classification of joints
4. condylar joints
5. saddle joints
6. ball and socket joints
1. Oval articular surface on one bone articulates with a depression on another bone
2. Biaxial joints that allow some circumduction
3. Triaxial joints
structural classification of joints
4. condylar joints examples
5. saddle joints examples
6. ball and socket joints examples
4. Radius/capitulum, Radius/carpals, Phalanges/metacarpals, Phalanges/metatarsals
5. Pollex/metacarpal
6. Shoulder joint, Hip joint
Representive articulations
(2)
1. Temporamandibular joint (TMJ)
2. Intervertebral articulations
Representive articulations
1. Temporalmandibular joint
-Ligaments involved (3)
1. stylomandibular ligament
2. lateral ligament
3. sphenomandibular ligament
representative articulations
1. Temporalmandibular joint
A. stylomandibular ligament
B. lateral ligament
C. sphenomandibular
1. Connects the tips of the spinous processes together
2. Connects zygomatic arch to the mandibular condyle
3. Connects the sphenoidal spine to the medial side of the ramus

1. spehnomandibular ligament
2. stylomandibular ligament
3. lateral ligament

1. abduction
2. adduction

1. flexion
2. extension

1. supination
2. pronation

1. eversion
2. inversion

1. dorsiflexion
2. plantar flexion

lateral flexion of vertebral column

1. retraction
2. protraction

opposition

1. depression
2. elevation
representative articulations
2. intervertebral articulations (2)
1. Supraspinous ligament
2. Interspinous ligament