Scapulothoracic Joint
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Description[edit | edit source]
Resting position of the Scapula[edit | edit source]
Normally, the scapula rests at a position on the posterior thorax approximately 2 inches from the midline, between the second through seventh ribs (scapula extends from the level of T2 spinous process to T7 orT9 spinous process, depending on the size of the scapula)[2] and the medial border is about 6 cms lateral to the spine. The scapula also is internally rotated 30° to 45° from the coronal plane, is tipped anteriorly approximately 10° to 20° from vertical, and is upwardly rotated 10° to 20° from vertical.Cite error: Invalid <ref>
tag; name cannot be a simple integer. Use a descriptive title The magnitude of upward rotation has as its reference a “longitudinal” axis perpendicular to the axis running from the root of the scapular spine to the AC joint. If the vertebral or medial border of the scapula is used as the reference axis, the magnitude of upward rotation at rest is usually described as 2° to 3° from vertical.Cite error: Invalid <ref>
tag; name cannot be a simple integer. Use a descriptive title lthough these “normal” values for the resting scapula are cited, substantial individual variability exists in scapular rest position, even among healthy subjects. Cite error: Invalid <ref>
tag; name cannot be a simple integer. Use a descriptive title [1] [3]
Motions Available[edit | edit source]
Ligaments & Joint Capsule
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Muscles[edit | edit source]
Closed and Open Packed Position
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Resting Position[edit | edit source]
The resting position of this joint is the same as for the acromioclavicular joint i.e arm by side.[2]
Other Important Information[edit | edit source]
Resources[edit | edit source]
References
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- ↑ 1.0 1.1 Levangie, P.K. and Norkin, C.C. (2005). Joint structure and function: A comprehensive analysis (4th ed.). Philadelphia: The F.A. Davis Company.
- ↑ 2.0 2.1 2.2 Magee DJ. Orthopaedic Physical Assessment. 5th ed. Canada: Elsevier; 2006
- ↑ Neumann DA. Kinesiology of the musculoskeletal system: Foundations for Physical Rehabilitation.2nd Ed.Elsevier Health Sciences;2009