Anatomy Lecture 02 (General Anatomy) Continue

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Anatomy Lecture 02 (General Anatomy) Blood vessel,Lymphatic system,Membranes of body,Cartilage,Joints

TYPES OF SYNOVIAL JOINT

  • Plane joint
  • Hinge joint
  • Pivot joint
  • Condyloid joint
  • Ellipsoid joint
  • Saddle joint
  • Ball and socket joint

Synovial Joints

Types of jointsDescriptionPossible movementExample
FibrousArticulating bones fastened together by a thin layer of dense connective tissues containing many collagen fibers  
1.Syndesmosis

(Amphiarthrotic)

Bones bounded by interosseous ligamentJoint flexible and may be twistedTibiofibular articulation
2.Suture

(Synarthrotic)

Flat bones united by sutural ligamentNoneParietal bones articulate at saggital suture of skull
3.Gomphosis

(Synarthrotic)

Cone-shaped process fastened in bony socket by periodontal ligamentNoneRoot of tooth united with mandible
CartilaginousArticulating bones connected by hyaline cartilage of fibrocartilage  
1.Synchondrosis

(Synarthrotic)

Bones united by bands of hyaline cartilageNoneJoint between the first rib and the mandible
2.Symphosis

(Amphiarthrotic)

Articular surfaces of bones are covered by hyaline cartilage and the bones are connected by a pad of fibrocartilageLimited movement, as when the back is bent or twistedJoints between bodies of vertebrae
Synovial

(Diarthrotic)

Articulating end of bones surrounded by a joint capsule; articular bone ends covered by hyaline cartilage and separated by synovial fluid  
1.Ball and socketBall-shaped head of one bone articulate with cup-shaped socket of anotherMovements in all planes( Multiaxial), including rotationShoulder, hip
2. CondylarOval-shaped condyle of one bone articulate with elliptical cavityof anotherVariety of movements in two planes (biaxial) but no rotationJoints between metacarpals and phalanges
3.PlaneArticulating surfaces are nearly flat or slightly curvedSliding or twistingWrist , ankle
4. HingConvex surface on one bone articulate with concave surface of anotherFlexion and extension (uniaxial)Elbow , joints of phalanges
5. PivotCylindrical surfaces of one bone articulates with ring of bone and ligamentRotation (uniaxial)Joints between proximal ends of radius and ulna
6. SaddleArticulating surfaces have both concave and convex  regions; surface of one bone fits the complementary surface of anotherVariety of movements, mainly in two planes (Biaxial)Joint between carpal and metacarpal of thumb
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