Normal Scapulohumeral Rhythm and Its Significance
Scapulohumeral rhythm is the interplay between the scapula and the humerus during motion of the shoulder. There is a definitive pattern of interaction of scapula and humerus when contributing to the...
View ArticleScapular Dyskinesis – Causes, Tests and Treatment
Scapular dyskinesis is a term that denotes loss of control of normal scapular motion, physiology or mechanics. It is also called sometimes as scapular dyskinesia but dyskinesis is said to be a better...
View ArticleLong Thoracic Nerve Anatomy and Significance
The long thoracic nerve is a pure motor nerve that arises from anterior or ventral roots of C5, C6, and C7 and supplies serratus anterior muscle. Serratus anterior muscle is responsible for...
View ArticleSpinal Accessory Nerve Anatomy and Significance
The spinal accessory nerve [ also called accessory nerve] is eleventh cranial nerve (CN XI) [see the controversy below] and is composed of two parts, the cranial part, and the spinal part. It has a...
View ArticleDorsal Scapular Nerve Entrapment Syndrome
The dorsal scapular nerve entrapment is a relatively less common nerve entrapment that causes shoulder and arm pain. It is vulnerable during brachial plexus injections as the nerve passes through the...
View ArticleTypical and Atypical Thoracic Vertebra
The typical thoracic vertebrae are seven in number and atypical thoracic vertebra are five in number. Vertebra T2 to T8 are typical and rest of them are atypical. Both typical and atypical thoracic...
View ArticleAnatomy of Cauda Equina
The cauda equina is a structure within the lower end of the spinal column of most vertebrates, that consists of nerve roots and rootlets from above[from second lumbar to coccygeal nerve] which...
View ArticleVertebra Prominens or Seventh Cervical Vertebra [C7]
Vertebra prominens is the common name for 7th cervical vertebra or C7, the largest and most inferior vertebra of the cervical region of the spine. It is named because it has a large spinous process...
View ArticleAtlas or First Cervical Vertebra [C1]
Atlas is the first cervical vertebra that sits just below the skull. It is also called C1 vertebra. Along with axis, the second vertebra and C7, it falls into the group of atypical cervical vertebrae....
View ArticleAxis or Second Cervical Vertebra [C2]
Axis is the second vertebra of the spine and is also called C2 bone vertebra. It articulates with C1 or atlas vertebra above and C3 vertebra below. The axis is an atypical cervical vertebra like atlas...
View Article
