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Examiner will passively abduct the patient's shoulder (humerus) to 90 degrees. The patient is then asked to slowly lower or adduct the shoulder to their side. If the patient is unable to perform this motion, the examiner can hold the humerus at 90 degrees of abduction and apply slight pressure to the distal forearm.
External rotation of the shoulder with the arm at a 90-degree angle is an additional exercise done to increase control and range of motion of the Infraspinatus and Teres minor muscles. Various active exercises are done for an additional 3–6 weeks as progress is based on an individual case-by-case basis. [ 9 ]
Abduction is carried out by the deltoid and the supraspinatus in the first 90 degrees. From 90-180 degrees it is the trapezius and the serratus anterior. Adduction is carried out by the pectoralis major, latissimus dorsi, teres major and the subscapularis. Horizontal abduction and horizontal adduction of the shoulder (transverse plane) Medial ...
The most important ligament involved in shoulder joint stability is the Inferior Glenohumeral Ligament. During abduction of the arm, the middle and inferior ligaments become taut while the superior ligament relaxes. The radius of curvature of the head of the humerus is greater superiorly than inferiorly, which further stretches these ligaments ...
Rotator cuff tendinopathy is associated with pain over the front and side (anterolateral) of the shoulder pain that radiates towards the elbow. The pain may occur with shoulder movement above the horizontal position, shoulder flexion and abduction. [12] [13] Pain is often described as weakness. Actual muscle weakness does not correlate with ...
The shoulder abduction relief test, also called Bakody's test, is a medical maneuver used to evaluate for cervical radiculopathy. [1] Specifically, this test is used to evaluate for nerve root compression at C5-C7. It is often used when a patient presents with neck pain that radiates down the ipsilateral upper extremity. [2]
This muscle is the main abductor of the shoulder joint from 18 to 90 degrees (from 0 to 18 by supraspinatus). Injury can result in a reduction in shoulder abduction. [4] So a test can be applied to a patient with injury of axillary nerve by trying to abduct the injured shoulder against resistance. [citation needed]
In human anatomy, the shoulder joint comprises the part of the body where the humerus attaches to the scapula, and the head sits in the glenoid cavity. [1] The shoulder is the group of structures in the region of the joint. [2] The shoulder joint is the main joint of the shoulder.
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