Head of humerus is articulated with pectoral girdle by a joint, called as

Hinge

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Ball and socket

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Immovable

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Pivot joint

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Solution

The correct option is B Ball and socket
Head of the humerus is articulated with the cup-shaped socket of pectoral girdle by a joint, called as ball and socket joint. It is movable in all planes and also exhibits rotation. Pivot joint exhibits rotation only while hinge joint shows up and down motion in one plane only. The correct answer is B.

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Similar questions

Which one of the following statements is true?

(a) Head of humerus bone articulates with acetabulum of pectroral girdle.

(b) Head of humerus bone articulates with glenoid cavity of pectoral girdle.

(d) Head of humerus bone articulates with a glenoid cavity of pelvic girdle.

What are the points for articulation of pelvic and pectoral girdles?

\begin{matrix} T y p e o f S y n o v i a l j o i n t & B o n e I n v o l v e d A . B a l l a n d s o c k e t & 1. C a r p a l a n d m e t a c a r p a l o f t h u m b B . H i n g e & 2. A t l a s a n d a x i s C . P i v o t & 3. F r o n t a l a n d p a r i e t a l D . S a d d l e & 4. K n e e 5. H u m e r u s a n d p e c t o r a l g i r d l e \end{matrix}

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