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Supination is feebly performed by the supinator muscle. Protopathic and epicritic sensibility are lost over the radial side of the forearm. It may be pressed upon by a crutch in the axilla, by the dislocated head of the humerus, or by violent compression of the arm, as when an elastic tourniquet is applied too tightly.
The bursa under the tendon of insertion of the biceps, when the seat of disease, is attended with pain and swelling about a finger's breadth below the bend of the elbow; there is pain and difficulty in effecting the combined movement of flexion and supination, slight limitation of extension, and restriction of pronation.
"If you mean pronated in relation to the arm, that is impossible, for the position of the egg-patches shows clearly that the bones of the arm were lying in the position of supination. Thus the dorsal surface of the arm and the palmar surface of the hand respectively were uppermost, which is an anatomical impossibility so long as the hand is attached to the arm."
Selina, do you know the movements of your own joints? Flexion, extension, abduction, adduction, rotation, circumduction, pronation, supination, and the lateral movements. Be proud of those accomplishments, my dear, but beware of attempting to become a Masseuse. There are drawbacks in that vocation and I am conscious of one of them at this moment." She lifted her hands to her nose.
"If you mean pronated in relation to the arm, that is impossible, for the position of the egg-patches shows clearly that the bones of the arm were lying in the position of supination. Thus the dorsal surface of the arm and the palmar surface of the hand respectively were uppermost, which is an anatomical impossibility so long as the hand is attached to the arm."
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