a saddle joint?
a.scaphoid of the index finger & triquetral of middle finger
b. trapezium of carpal bone & thumbs metacarpal
c.scaphoid of middle finger & lunate of the index finger
d.trapezium of the ring finger & capitate of the fourth finger
2007-03-23 15:13:54 · 3 answers · asked by M_J 1 in Science & Mathematics ➔ Biology
b. trapezium of carpal bone & thumbs metacarpal
Saddle: Articulating surfaces are saddle-shaped; the articulating surface of one bone is convex, and the reciprocal surface is concave. Saddle joints, which are biaxial, include the joint between the thumb metacarpal and the trapezium of the wrist.
2007-03-24 14:43:28 · answer #1 · answered by l_ori_e 2 · 0⤊ 0⤋
Concave
2016-03-17 01:34:36 · answer #2 · answered by Anonymous · 0⤊ 0⤋
d) trapezium of the ring finger & capitate of the fourth finger
2007-03-23 15:32:46 · answer #3 · answered by Tiger Tracks 6 · 0⤊ 0⤋