他说，杰克逊训练时用到了训练球，而且做了许多训练来锻炼他核心部位的肌肉。
He said Jackson used exercise balls and did training to strengthen his core body muscles.
他的职业生涯于1998年作为训练球员在巴尼特开始，先后在诺丁汉森林、利兹联和沃特福德效力。
His career began in 1998 as a trainee at Barnet, and has taken in spells at Nottingham Forest, Leeds United and Watford.
本课程主要训练球拍的握法、击球、步法、正手击球、反手击球、发球，以及单打和双打的技能。
This course practices the skill on grip, strokes, footwork, forehand drive, backhand drive, serve, and playing single and doubles.
除了运动专项练习，作者还介绍了弹性阻力的应用，应用于功能性专项训练的训练球、平衡垫、平衡板。
In addition to sport-specific drills, the authors describe the use of elastic resistance, exercise balls, balance pads, and balance boards for functional sport-specific exercises.
Pinsker Gladstone称她去掉了椅子，上半时坐在一个训练球上。这个办法不见得在任何公司都可行。
This would not be appropriate for every office, but Ms. Pinsker Gladstone says she exercises while she sits at her desk by using an exercise ball instead of a chair.
她和一些世界上最好的乒乓球手住在一起，只需不到五分钟就可以从宿舍走到训练场地和那些好手们一起练球。
She resides with some of the world's best table tennis players and walks less than five minutes from her dorm to practice against them.
她和一些世界上最好的乒乓球手住在一起，只需不到五分钟就可以从宿舍走到训练场地和那些好手们一起练球。
She resides with some of the world's best table tennis players and walks less than five minutes from her dorm to practice against them.
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