Power Testing: 90deg Medial Rotation Hop Test
Jun 26, 2023The 90-degree medial rotation hop test is a clinical test used to assess lower extremity function, particularly the ability to hop and rotate. It is often used as a functional test for individuals returning to sports or other activities after lower extremity injury or surgery. The test is also known as the "pivot shift test" or the "rotational hop test."
Equipment needed:
- The MAT or Hop MAT
Here are the steps to perform the 90-degree medial rotation hop test:
- The client stands on one foot with the knee slightly flexed on the outside edge of either the original MAT or Hop MAT.
- The client hops 90 degrees on the same foot while rotating medially with the other foot off the ground. The client should land on the same foot and maintain their balance for a brief moment.
- The distance hopped is measured from the starting point to the landing point of the foot.
- The test is repeated on the other leg.
- The test can be repeated multiple times to obtain an average score.
It is important to ensure proper technique during the test to obtain accurate results. The individual should land softly and maintain their balance for a brief moment after landing. Additionally, the test should only be performed by a trained healthcare professional who can monitor the individual's technique and safety.
References:
- Van Melick N, van Cingel RE, Brooijmans F, et al. Evidence-based clinical practice update: practice guidelines for anterior cruciate ligament rehabilitation based on a systematic review and multidisciplinary consensus. Br J Sports Med. 2016;50(24):1506-1515.
- Gustavsson A, Neeter C, Thomeé P, et al. A test battery for evaluating hop performance in patients with an ACL injury and patients who have undergone ACL reconstruction. Knee Surg Sports Traumatol Arthrosc. 2006;14(8):778-788.
- Filbay SR, Ackerman IN, Russell TG, et al. Cross-cultural adaptation and validation of the Anterior Cruciate Ligament Return to Sport After Injury (ACL-RSI) scale. J Orthop Sports Phys Ther. 2017;47(11):825-836.
- Paterno MV, Schmitt LC, Ford KR, et al. Biomechanical measures during landing and postural stability predict second anterior cruciate ligament injury after anterior cruciate ligament reconstruction and return to sport. Am J Sports Med. 2010;38(10):1968-1978.
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