<prompt> Carpometacarpal joint of thumb is___ type of jointBall and socketHingePlaneSaddle  <response>: Ans. d Saddle joint Ref BDC vol. l 4th 154Classification of jointsA.Svnovial joints TypeExampleType of Movements permitted1Ball-and-Socket Hip joint, Shoulder, Calcaneo-cuboid, Incudostapedial.Movement in all planes, as well as rotational movement around a central axis.2Condyloid Knee and TM jointVariety of movement in different planes, but rotational movement is possible.3Gliding Ellipsoid Atlanto-occipital, Metacarpophalangeal,WristSliding back and forth motion only.4Hinge Elbow joint, Ankle, Interphalangeal,Flexion and extension in one plane only5Pivot Atlanto-axial, Superior and inferior radioulnarRotation around a central axis only6Saddle Carpometacarpal joint of the thumb, Variety of movements Sternoclavicular, and Incudomalleolar B.Cartilaginous joints Primary Synchondrosishyaline cartilaginous: a. Joint between epiphysis and diaphysis of long bones, b. Spheno-occipital, c. First chondrosternal, and d. Costochondral Secondary symphysisfibrocartilaginous: a. Symphysis pubis, b. Manubriosternal, c. IntervertebralC.Fibrous joints Skull sutures Syndesmosis e.g. Foot plate of stapes with oval window and Inferior tibiofibular joint? Gomphosispeg and socket e.g. Tooth.Additional Educational PointsClassification of Cartilages HyalineFibrocartilageElastic1EmbryonicAcromioclavicular jointExternal ear cartilage2ArticularIntervertebralInlet of larynx3CostalIntra-articular discEustachian tube4TracheobronchialMenisci and labrumEpiglottis5Nasallaryngeal 