Stretching

Since playing badminton requires quick movement, stretching muscle is very important to prevent your body from injury. Especially, the aged people's muscle and tendon become hard to follow the quick movement. Stretching is very effective before playing. Do it slowly, over 20 seconds, with abdominal breathing.

腿の表側を伸ばす。
Stretching outside of the femur

腿の裏側を伸ばす。           腰を伸ばす
Stretching inside of femur.      waist & hips 

腰と腿を同時に伸ばす。            アキレス腱。              上腕二頭筋。
  femur & waist at the same time       Achilles' tendon         brachium biceps

手首、前腕 (手の平側)        手首、前腕 (手の甲側)      手首・ 同左
wrist, the forearm             wrist, the back of arm        wrist

上腕三頭筋            肩・三角筋            肩、           肩、首     
the upper arm       shoulder, deltoid    shoulder        shoulder, neck

    首、              体側  
        neck            side of body

      鼠径部                   体側・腰                腰・腿の横~裏   
       the inguinal region      side of body, waist       side & back of waist, femur       

鼠径部・股関節
the inguinal region

    大腿四頭筋           大腿側面              大腿後面    
      thigh muscle          side of thigh         back of thigh