How To Perform Manual Resisted Test For The Infraspinatus Muscle

👉 The infraspinatus muscle is one of the four muscles that make up the rotator cuff in the shoulder.

👉 This muscle's contribution is crucial for various daily activities involving arm movement and overhead motions.

👉 Medical professionals employ a manual resisted test to assess the strength and functionality of the infraspinatus muscle. During the test, resistance is applied against the patient's effort to externally rotate the arm.

The rotator cuff is a crucial group of four muscles and tendons located around the shoulder joint that play a significant role in stabilizing and facilitating movement of the arm. One of these muscles is the infraspinatus muscle, which is located on the posterior aspect of the scapula. The infraspinatus muscle is responsible for externally rotating the arm and helping to stabilize the shoulder joint during various movements. Due to its positioning and function, the infraspinatus muscle is prone to injuries, such as strains or tears, which can lead to pain, weakness, and limited range of motion in the shoulder.

A manual resisted test of the infraspinatus muscle is a diagnostic technique used by medical professionals to assess its strength and function. During this test, the patient is asked to position their arm in a specific way while the examiner applies resistance against their attempt to externally rotate the arm. If the patient experiences pain, weakness, or inability to maintain the desired movement against resistance, it could indicate an issue with the infraspinatus muscle or the rotator cuff in general. This test can provide valuable insights into the integrity of the muscle and surrounding structures, helping to diagnose conditions like rotator cuff tears, muscle strains, or impingement syndromes.

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