Piece of sports apparatus and method for muscle exercises using the piece of sports apparatus

Abstract

The invention relates to a piece of sports apparatus comprising a hammer ( 1 ) with a hammer head ( 2 ) wherein a cavity ( 6 ) for receiving a weighting element ( 10 ) is formed and a lockable aperture ( 7 ) by means of which the weighting element ( 10 ) can be introduced into the cavity ( 6 ) and removed from the cavity ( 6 ), wherein the weighting element ( 10 ) is fixed in the cavity ( 6 ) if the aperture ( 7 ) is closed.

1 . A piece of sports apparatus comprising a hammer ( 1 ) with a hammer head ( 2 ) wherein a cavity ( 6 ) for receiving a weighting element ( 10 ) is formed and a lockable aperture ( 7 ) by means of which the weighting element ( 10 ) can be introduced into the cavity ( 6 ) and taken out of the cavity ( 6 ), wherein the weighting element ( )) is fixed in the cavity ( 6 ) if the aperture ( 7 ) is closed. 
     
     
         2 . The piece of sports apparatus according to  claim 1 , wherein the outer shape of the weighting element ( 10 ) corresponds to the shape of the cavity ( 6 ). 
     
     
         3 . The piece of sports apparatus according to  claim 1  comprising a plurality of weighting elements ( 10 ) having different weights. 
     
     
         4 . The piece of sports apparatus according to  claim 3 , wherein the plurality of weighting elements comprise a first weighting element ( 10 ) having a first weight and a second weighting element ( 10 ) having a weight that is an integer multiple of the first weight, wherein the first weight is not the same as the second weight. 
     
     
         5 . The piece of sports apparatus according to  claim 1  wherein the hammer head ( 2 ) has a first head section ( 3 ) and a second head section ( 4 ) that is detachably connected to the first head section, wherein in the first head section ( 3 ) there are formed the cavity ( 6 ) and the lockable aperture ( 7 ) and the second head section ( 4 ) is formed as a closure for the aperture ( 7 ). 
     
     
         6 . The piece of sports apparatus according to  claim 5 , wherein the first head section ( 3 ) is connected to the second head section ( 4 ) by means of a  30  screwed connection. 
     
     
         7 . The piece of sports apparatus according to  claim 1  wherein the hammer ( 1 ) further comprises a hammer handle ( 8 ) that is connected to the hammer head ( 2 ) and has a jacket ( 11 ) made of a damping material. 
     
     
         8 . The piece of sports apparatus according to  claim 1  wherein the hammer ( 1 ) is provided with a jacket made of a damping material. 
     
     
         9 . The piece of sports apparatus according to  claim 1  further comprising an impact mat for receiving an impulse produced with the hammer ( 1 ). 
     
     
         10 . (canceled) 
     
     
         11 . A method for exercising muscles comprising the steps of:
 (a) providing a sports apparatus comprising a hammer head ( 2 ) comprising a cavity ( 6 ) and a lockable aperture ( 7 );   (b) inserting a first weighting element ( 10 ) by means of the lockable aperture ( 7 ) into the cavity ( 6 ) of the hammer head ( 2 ) of the hammer ( 1 );   (c) closing the lockable aperture ( 7 ) of the hammer head ( 2 ) to fix the first weighting element ( 10 ) in the hammer head ( 2 );   (d) exerting one or more hits with the hammer ( 1 ).   
     
     
         12 . The method according to  claim 11  wherein step (d) comprises the step of: exerting the one or more hits with the hammer onto an impact mat. 
     
     
         13 . The method according to  claim 11  wherein:
 prior to step (b) the method comprises the step of: selecting the first weighting element ( 10 ) to have a desired weight; 
 after step (d) the method comprises the steps of: 
 (e) opening the  5  lockable aperture ( 7 ) of the hammer head ( 2 ); 
 (f) removing the first weighting element ( 10 ) from the cavity ( 6 ); 
 (g) choosing a second weighting element ( 10 ) the weight of which differs from the weight of the first weighting element ( 10 ); 
 (h) closing the lockable aperture ( 7 ) of the hammer head ( 2 ) to fix the second weighting element ( 10 ) in the hammer head ( 2 ); and, 
 (i) exerting one or more hits with the hammer ( 1 ). 
 
     
     
         14 . The piece of sports apparatus according to  claim 2  comprising a plurality of weighting elements ( 10 ) having different weights. 
     
     
         15 . The piece of sports apparatus according to  claim 4  wherein the hammer head ( 2 ) has a first head section ( 3 ) and a second head section ( 4 ) that is detachably connected to the first head section, wherein in the first head section ( 3 ) there are formed the cavity ( 6 ) and the lockable aperture ( 7 ) and the second head section ( 4 ) is formed as a closure for the aperture ( 7 ) 
     
     
         16 . The piece of sports apparatus according to  claim 6  wherein the hammer ( 1 ) further comprises a hammer handle ( 8 ) that is connected to the hammer head ( 2 ) and has a jacket ( 11 ) made of a damping material. 
     
     
         17 . The method of  claim 11  wherein step (a) comprises the steps of:
 providing the hammer head to comprises a first head section ( 3 ) that comprises the cavity ( 6 ) and a second head section ( 4 ) that is formed as a closure for the lockable aperture ( 7 ); and, connecting the first head section ( 3 ) to the second head section ( 4 ). 
 
     
     
         18 . The method of  claim 17  wherein the step of connecting the first head section ( 3 ) to the second head section ( 4 ) comprises the step of: using screws to connect the first head section ( 3 ) to the second head section ( 4 ).