Monday, March 7, 2011

Stance

General Terminology

  • Feet are shoulder width apart with your body perpendicular to the baseline with your left foot in front you pointing slight towards the net
  • With the ball in your left hand and your racquet in your right hand, the will meet each other out in front you in line with your left foot around the waist line, but away from your body with your elbows at your sides
  • Knees are slightly bent
Shoulder Girdle
  • The right and left shoulder girdles are both abducting the serratus anterior and pectoralis minor
  • All muscles are contracting concentrically  
Shoulder Joint
  •  The right and left shoulder joints are bilaterally internally rotating with the latissimus dorsi, teres major,  pectoralis major, and subscapularis contracting concentrically
Elbow Joint
  • The right and left elbow joints are slightly bilaterally flexing with the biceps brachii, brachialis, and brachioradialis contracting isometrically
Radioulnar Joint
  • The right radioulnar joint is pronating with the pronator teres and pronator quadratus contracting isometrically
  • The left radioulnar joint is supinating with the biceps brachii and supinator contracting isometrically
Wrist and Hand Joint Movements
  • The right hand has flexion of the fingers and thumb with the flexor digitorum superficialis, flexor digitorum profundus, and flexor pollicis longus contracting concentrically
  •  The right wrist is in neutral position contracting isometrically
  • The left hand has flexion of the fingers and thumb with the flexor digitorum superficialis, flexor digitorum profundus, and flexor pollicis longus contracting concentrically
  • The left wrist is in neutral position contracting isometrically 


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