Practice scrum's dynamic machine in rugby

摘要

Requirement 1: includes the use of at least 5 double operated hydraulic pistons with independent movement, which can be moved, moved and resisted without any checks and balances, this feature allows training of one or more players, It can be deployed or combined, i.e. changing the length and simulation progress so that it can move and move in different planes and axes, axial vestibule, vestibule, vestibule, obliquity side and vestibule. Claim 2: train scrum's power machine according to claim 1, which is characterized by:2. Have pressure sensor / precise balance to reflect player's efforts (unit: kilogram force).