CBSE Class 6 Answered
(i) What are fixed joints?(ii) At the elbow, the upper arm bone forms a hinge joint with the lower arm bones. Explain.
Asked by Topperlearning User | 16 Jun, 2016, 02:06: PM
Expert Answer
(i) Fixed joint is a type of joint which does not allow any movement.
(ii) The lower end of the upper arm bone is in the shape of a 'knob' and the upper end of lower arm bones is in the shape of a 'cup'. The knob of the upper arm bone fits into the cup of lower arm bones to form a hinge joint at the elbow.
Answered by | 16 Jun, 2016, 04:06: PM
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