During a single-leg Romanian deadlift, the stance-side gluteus medius must generate sufficient force to prevent contralateral hip drop (Trendelenburg sign). This represents which function of the gluteus medius?
Practise this Personal Trainer question free, then download the PDF, watch the video walkthrough, or unlock timed mock exams for the full web bank.
BEccentric deceleration of hip adduction in the sagittal plane
CConcentric internal rotation of the femur during the descent phase
DIsometric stabilization of the pelvis in the frontal plane
✓ Correct answer: D. Isometric stabilization of the pelvis in the frontal planeWhen the non-stance hip drops, the gluteus medius on the support side must isometrically contract to level the pelvis against gravity — a frontal-plane stabilization function distinct from its concentric abduction role in open-chain movements.
Keep practising. Use the free Personal Trainer PDF, watch the YouTube walkthrough, or unlock all 10 web questions with timed mock exams.
Free practice here. Timed mocks when you are ready.
Study the Personal Trainer Prep & Exam free question explanations, download the PDF, then unlock timed mock exams on the web when you want exam-day practice.
Theory