what is this words mean??

１quadriceps＝查唔到
2.forehand underarm passing ＝額腋下飛逝
3.underarm serving=腋下服務
4.follow through movement=完成順勢動作
5.sit and reach＝坐和觸到（一種體能)
6.flexibility=隨機應變
7.muscle strenght＝肌肉強化
8.musclue endurance＝肌肉忍耐
9.skin-fold test＝肌肉柔軟性測試
10.body composition＝身體報告
11.crouch start＝蹲下
12.upsweep＝向上移動
13.downsweep ＝向下移動

1.四頭肌
６．有彈性的
12.向上彎曲
１３．向下彎曲