A massage apparatus is provided to enable an individual to perform a variety of massages by applying targeted pressure to effected muscle groups. In one embodiment, the massage apparatus includes a plurality of generally spherical balls and an oversleeve shrink-fitted over at least a portion of the plurality of balls. The oversleeve includes a first open end and a second open end opposite the first open end. In one embodiment, a method of manufacturing a massage apparatus includes selecting a plurality of balls having a desired density, shape, and outer diameter, arranging the plurality of balls within an oversleeve, and subjecting the oversleeve to heat to longitudinally and radially contract the oversleeve between an original position and a contracted position around at least a portion of the balls.本發明提供一種可藉由施加目標壓力至作用肌肉群使個人進行多種按摩之按摩裝置。在一實施例中,該按摩裝置包括多數大致圓形球及一收縮嵌套在該等多數球之至少一部份上之包套。該包套包括一第一開口端及一與該第一開口端相對之第二開口端。在一實施例中,一種製造一按摩裝置之方法包括:選擇具有一所需密度、形狀及外徑之多數球;將該等多數球配置在一包套內;及使該包套受熱以便在一初始位置與一環繞該等球之至少一部份之收縮位置之間縱向地且徑向地收縮該包套。100‧‧‧按摩裝置101,102‧‧‧按摩球;運動球103‧‧‧包套110‧‧‧內徑111‧‧‧外徑112,113‧‧‧開口;開口端
