Not considered an important ligament to the first CMC joint , it tightens during forced adduction and radial abduction .
An intracapsular ligament stretching from the dorsoulnar side of the trapezium to the ulno - palmar tubercle of the first metacarpal .
Not considered an important ligament to the first CMC joint , metacarpal tightens during forced adduction and radial abduction .
An intracapsular ligament stretching from the dorsoulnar side of the trapezium to the ulno - palmar tubercle of the first metacarpal .