Locomotion And Movement Ques 20
20. The characteristics and an example of a synovial joint in humans is:
[NEET 2013]
| Features | Instances |
|---|---|
| (a) Fluid filled between two joints, provides cushion | Cerebrospinal fluid |
| (b) Fluid filled synovial cavity between two bones | Joint between atlas and axis |
| (c) Synovial fluid filled between two bones , limited movement | gliding joint between carpals |
| (d) Fluid cartilage between two bones , limited movement | Knee joint |
Show Answer
Answer : b
Hints & Solutions
(b) Synovial joints are characterised by the presence of a fluid filled synovial cavity between the articulating surfaces of the two bones. Such an arrangement allows considerable movement. These joints help in locomotion and many other movements. Ball and socket joint (between humerus and pectoral girdle), Hinge joint (knee joint), Pivot joint (between atlas and axis), Gliding joint (between the carpals) and Saddle joint (between carpal and metacarpal of thumb) are some examples.
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