Training device for training a body part of a user

Abstract

A training device for training a body part of a user is configured to advantageously limit the resonance movement of the flexible coupling member generated by the vibration of the vibrating device. The training device comprises a vibrating device for generating a vibration and a pretensioning device for generating a pre-tension in a muscle of the body part. The pretensioning device comprises a handling member configured to be held by the user, a reeling means for reeling a flexible coupling member, and a tensioning means for driving the reeling means such that the flexible coupling member is tensioned to allow the vibration generated by the vibrating device to be transferred to the handling member. The pretensioning device further comprises a movement limiter to limit a resonance movement of the flexible coupling member generated by the vibration of the vibrating device.

1 . A training device for training a body part of a user, comprising;
 a vibrating device for generating a vibration; and   a pretensioning device for generating a pre-tension in a muscle of the body part of the user, wherein the pretensioning device is connected to the vibrating device, and   wherein the pretensioning device comprises a flexible coupling member, a handling member configured to be held by the user, a reeling means for reeling the flexible coupling member, the flexible coupling member coupling the handling member to the reeling means, and a tensioning means for driving the reeling means such that in use the flexible coupling member is tensioned for transferring the vibration generated by the vibrating device to the handling member, and   wherein the pretensioning device further comprises a movement limiter configured to limit a resonance movement of the flexible coupling member generated by the vibration of the vibrating device.   
   
   
       2 . The training device according to  claim 1  wherein the flexible coupling member comprises an unreeled portion, the unreeled portion have a length and a first longitudinal axis. 
   
   
       3 . The training device according to  claim 2  wherein the movement limiter extends along at least part of the length of the unreeled portion of the flexible coupling member. 
   
   
       4 . The training device according to  claim 2  wherein the movement limiter at least partially surrounds the unreeled portion of the flexible coupling member. 
   
   
       5 . The training device according to  claim 1  wherein the vibrating device is configured to vibrate with a frequency between 10-100 Hz. 
   
   
       6 . The training device according to  claim 1  wherein the vibrating device is configured to vibrate with a vibration amplitude between 0.01-15 mm. 
   
   
       7 . The training device according  claim 1  wherein a distance between the flexible coupling member and the movement limiter in a direction substantially perpendicular to a first longitudinal axis of the flexible coupling member is smaller than an in use generated amplitude of the resonance movement of the flexible coupling member. 
   
   
       8 . The training device according to  claim 7  wherein the distance is between 5 and 80% of the in use created amplitude of the resonance movement of the flexible coupling member. 
   
   
       9 . The training device according to  claim 7  wherein the distance is between 1 and 20 mm. 
   
   
       10 . The training device according to  claim 2  wherein the movement limiter comprises a second longitudinal axis and wherein the first longitudinal axis of the flexible coupling member and the second longitudinal axis of the movement limiter substantially coincide. 
   
   
       11 . The training device according to  claim 2  wherein the movement limiter extends from the pretensioning device or from the handling member along the length of the unreeled portion of the flexible coupling member for at least ¼ th  of a wavelength of the resonance movement of the flexible coupling member. 
   
   
       12 . The training device according to  claim 1  wherein the flexible coupling member comprises a length and the movement limiter extends along substantially the entire length of the flexible coupling member. 
   
   
       13 . The training device according to  claim 1  wherein the movement limiter substantially completely surrounds the flexible coupling member. 
   
   
       14 . The training device according to  claim 1  wherein the movement limiter comprises an adjustable length. 
   
   
       15 . The training device according to  claim 14  wherein the length of the movement limiter is adjustable to correspond to a length of the flexible coupling member. 
   
   
       16 . The training device according to  claim 1  wherein the movement limiter comprises a helix member. 
   
   
       17 . The training device according to  claim 1  wherein the movement limiter comprises a helix spring. 
   
   
       18 . A pretensioning device for use with a training device, comprising:
 a flexible coupling member;   a handling member;   a reeling means for reeling the flexible coupling member, the flexible coupling member coupling the handling member and the reeling means;   a tensioning means for driving the reeling means; and   a movement limiter configured to limit a resonance movement of the flexible coupling member generated by the training device.   
   
   
       19 . The pretensioning device according  claim 18  wherein the training device comprises a vibrating device, and wherein the pretensioning device further comprises a connection means for connecting the pretensioning device to the vibrating device such that a vibration generated by the vibrating device is transferred to the pretensioning device. 
   
   
       20 . A method for training a body part of a user, comprising the steps of:
 providing a training device, the training device comprising a vibrating device for generating a vibration and a pretensioning device for generating a pre-tension in a muscle of the body part of the user, wherein the pretensioning device is connected to the vibrating device, and wherein the pretensioning device comprises a flexible coupling member, a handling member configured to be held by the user, a reeling means for reeling the flexible coupling member, the flexible coupling member coupling the handling member to the reeling means, and a tensioning means for driving the reeling means such that in use the flexible coupling member is tensioned for transferring the vibration generated by the vibrating device to the handling member, and wherein the pretensioning device further comprises a movement limiter configured to limit a resonance movement of the flexible coupling member generated by the vibration of the vibrating device;   unreeling the flexible coupling member to create a pre-tension in a muscle of the body part of the user;   causing the vibrating device to generate the vibration; and   limiting the resonance movement of the flexible coupling member.