Provide muscle strengthening staff capable of strengthening muscular strength of the upper arm by which a competitor such as a ski pushes the ground. A muscle strengthening wand according to the present invention comprises a wand body, a grip portion attached to the upper end portion of the cane body, and a stone portion attached to the lower end portion of the wand body. The cane body has an outer tube (11) and an inner tube (12) so as to be extensible and contractible, an upper part of the inner tube (12) is inserted from the lower end of the outer tube (11) An elastic body (50) is provided between the inner wall of the pipe (11) and the outer wall of the inner pipe (12). One end of the elastic body (50) is attached to the lower end portion of the outer tube (11), and the other end of the elastic body (50) is attached to the upper end portion of the inner tube (12).スキー等の競技者が、地面を押す上腕の筋力を強化することができる筋力強化杖を提供する。 本発明の筋力強化杖は、杖本体と、前記杖本体の上端部に取り付けられる把持部と、前記杖本体の下端部に取り付けられる石突部からなる。前記杖本体は、伸縮可能とするために外管(11)及び内管(12)を備え、前記外管(11)の下端から前記内管(12)の上部が挿入されるとともに、前記外管(11)の内壁と前記内管(12)の外壁との間に弾性体(50)が設けられている。前記弾性体(50)の一端は前記外管(11)の下端部に取り付けられ、前記弾性体(50)の他端は前記内管(12)の上端部に取り付けられている。
