Abstract: The invention described in the specification relates to the art of fitness training and in particular to a training bag apparatus which comprises a training bag support base having a planar, substantially circular bottom portion, a dome-shaped upper portion attached to the bottom portion defining a substantially closed cavity therebetween. The upper portion having a dome-shaped outer surface contains a centrally positioned support collar attached thereto and at least two support ribs radiating from the support collar along at least a portion of the outer surface of the upper portion. The support collar and ribs are integrally molded with the upper portion. The base further includes a centrally positioned upstanding projection attached to the bottom portion and a substantially rigid elongate tube removably fitted over the upstanding projection and extending at least from the bottom projection to the support collar.

Abstract: An adjustable seat assembly for exercising apparatus which may embody a hand-held weight frame, a movable weight supporting frame, a leg exercise unit or other exercise device. The seat assembly has an elongate seat mounted on a base for endwise adjustment relative to the base to accommodate the seat to various exercise devices. The seat has a seat portion, a back portion, and means including an arcuate support extending between the back portion and base and movable endwise relative to the base of pivotally adjusting the back portion relative to the seat portion to a range of angular positions between an upright position and a downwardly inclined position.