Linked from
The 9 pages that link to Metacarpal bones, each with the reason it gives.
PhalanxRelated: Each finger’s proximal phalanx articulates with a metacarpal bone.
Metacarpophalangeal jointRelated: Its rounded head forms the metacarpal side of the joint.
ThumbRelated: The thumb’s metacarpal rotates and moves at its unusually mobile base joint.
Ring fingerRelated: The fourth metacarpal connects the ring finger to the wrist.
Little fingerRelated: The fifth metacarpal connects the little finger to the wrist-side of the palm.
Index fingerRelated: The second metacarpal supports the index finger at its base.