Pilot Study on the Relationship Between Different Lower Limb Raising Velocities and Trunk Muscle Contraction in Active Straight Leg Raise.

Similarly, our study revealed that, in the relatively stable supine position, the deep muscle IO/TrA on the same side as the raised lower limb showed a trend toward greater activation, along with a tendency for higher activity in the superficial muscles EO and RA on the same side during fast movements.

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