A joint assembly for a crash test dummy includes a first joint member for connection to a first member of the crash test dummy. The joint assembly also includes a first ball member received by the first joint member. The joint assembly includes a second ball member spaced from the first ball member. The joint assembly also includes a second joint member for connection to a second member of the crash test dummy. The second joint member receives the second ball member and is operatively connected to the first joint member. The joint assembly further includes an adjustable member operatively cooperating with the first ball member and the second ball member to move the first ball member and the second ball member toward and away from each other to adjust a friction tightness of the joint assembly.