Adjustable dumbbell system

Adjustable dumbbell/barbell

Adjustable exercise bell

Adjustable horse-riding exerciser

Adjustable horse-riding type exerciser

Adjustable incline traveling platform exercise apparatus

Adjustable kettlebell

Adjustable kettlebell

Adjustable leg stretcher

Adjustable lever arm-variable resistance cam assembly

Adjustable load dynamic active resistance training system

Adjustable mass exercise apparatus and methods

Adjustable mass exercise methods and apparatus

Adjustable press arm

Adjustable resistance training apparatus

Adjustable revolving-weight lifting bar

Adjustable water-fillable exercise weights

Adjustable weight

Adjustable weight dumbell

Adjustable weight exercise apparatus