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来源:雅诚德英语网
The femurs are held in neutral alignment with knees extended, elongating the hamstrings and low back.
大腿保持在中立状态配合膝盖的伸展,拉长和缩回腿筋。
The femurs are held in neutral alignment with knees extended, elongating the hamstrings and low back.
大腿保持在中立状态配合膝盖的伸展,拉长和缩回腿筋。