Three YouTube sites I've found helpful: (1)
Double-Jointed Thumb Remedy; (2) The Amazing Fingercise Cup; and (3) Clothespin Exercise for
Double-Jointed Violinists (applicable to pianists as well).
This is the mystery unfolded: Vicky is
double-jointed, enabling her to tuck her index finger underneath her other fingers and conceal it from her snapshot.
Squirrels' hind legs |are
double-jointed which helps them run up and down trees.
There's some indication that it affects kids who have heightened pain sensitivity or have hypermobile joints (often called
double-jointed), or even flat feet.
Born with
double-jointed bones, he is naturally flexible and is able to bend and fold his limbs in circular movements to an extended degree.
The
double-jointed desert-dwelling anomaly that has to be seen to believed.
The cover also shows the singer striking a
double-jointed pose in which her arm seems to have twisted round behind her to rest on her butt.
The risk of later knee pain was even greater for obese,
double-jointed teens, with 10 times greater odds than for nonobese adolescents without joint hypermobility.
This a manager who has received more pats on the back this season than a
double-jointed contortionist choking on a piece of steak.
Rarely have I seen better jumps and spins, and the
double-jointed girl who gets swung upside down in the air by a couple of well-drilled males is like something out of Cirque du Soleil.
Mechanics, entering the Black Hawk cockpit from the cabin during maintenance can be a
double-jointed exercise that puts the center console in harm's way.