first rib


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first rib

the highest rib of the thoracic cage. It moves about the axis of its neck, raising and lowering the sternum. First rib movement during quiet breathing is negligible, but under conditions of stress it can increase the anteroposterior diameter of the chest.
References in periodicals archive ?
Thus, once the user is happy with the sequence developed for the first rib, the same machining strategies with the same tooling can be applied across the complete network of ribs so minimising programming times.
Review of the patient's previous chest x-rays demonstrated a right apical lucency lying above the level of the first rib posteriorly.
But, when we reviewed that same X-ray image with the bone suppression software applied we saw a rather large nodule hidden under the first rib.
If the costoclavicular ligaments were injured, several sutures were placed to hold reduction of the medial clavicle to the first rib.
Drop your fingers about an inch, to the first soft space above your first rib (the collarbone point).
Though the study, published in the April issue of the journal Pain Medicine, was small, researchers say it suggests Botox is a safe, noninvasive alternative to the syndrome's treatment of last resort: surgery to remove the first rib and sever one of the muscles in the neck.
Though the study, was small, researchers say it suggests Botox is a safe, noninvasive alternative to the syndrome's treatment of last resort: surgery to remove the first rib and sever one of the muscles in the neck.
Several cases of stress fractures of the first rib have also been reported as sports-related injury, such as baseball, tennis, soccer, ballet dancer, and weight lifting (Coris and Higgins, 2005; Matsumoto et al.
However, there was still an obstruction in the subclavian vein where the clavicle and first rib cross.
Subclavian crush syndrome is a well-known cause of pacemaker lead failure, namely conductor fractures and insulation failure by compression of the lead between the first rib and the clavicle (8).
770 consecutive supraclavicular first rib resections for thoracic outlet syndrome.
The cervical rib is a supernumerary rib arising from a cervical vertebra or elongated transverse process of the 7th cervical vertebra articulated to the first rib or ended freely.

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