UPPER CERVICAL SPINE STRUCTURE AND LIGAMENTS (BIOMECHANICS OF SPINE)Physiotherapy Tutorial скачать в хорошем качестве

UPPER CERVICAL SPINE STRUCTURE AND LIGAMENTS (BIOMECHANICS OF SPINE)Physiotherapy Tutorial

UPPER CERVICAL SPINE STRUCTURE AND LIGAMENTS (BIOMECHANIS OF SPINE)Physiotherapy Tutorial Instagram:   / _movementscience_   linked in :   / adhip-nadkarni-5b45241a6   twitter :   / adhip_nadkarni   summary of the video with the time for reference: 1.Cervical Spine -Upper cervical region (c1, c2, occiput) -Lower cervical region (c3 to c7) -Typical and Atypical vertebra (c1, c2, c7) 2.Atlas -Cradles occiput and transfers forces -no body -foramen at transverse process for vertebral artery -Superior facet which are large and concave and kidney shaped which accommodates condyles of occiput -Inferior facet articulates with axis and it is slightly convex -Facet on the internal surface that articulates with the Dens of axis 3.Articulation -Atlanto-occipital articulation(2) -Superior facet which are large and concave and kidney shaped which accommodates condyles of occiput -Synovial type of articulation and has miniscoid and fibrocartilagenous structures -Atlanto axial articulation (3) -Median atlanto axial joint -2 lateral joints between atlas and axis -Axis provides rotation 3.Transverse Ligament -Attached across the ring of atlas -Dens present anteriorly -Spinal cord present posteriorly -Superiorly and inferiorly ligament is attached -Together they form atlantal cruciform ligament C1 and C2 stability is provided by the transvers ligament assisted by superior and inferior ligament -Transverse ligament is very strong and sometimes bone breaks before the ligamnet -In downs syndrome and RA there can be laxity of this ligament which can cause C1-C2 instability 4.Alar ligament -Attaches axis to Atlas through Dens -Ligament is 1cm long and pencil width thickness -Prevents C1 -C2 distraction -It becomes taut in flexion and axial rotation 5.Ligamentum Neche -Very thick -Attached to external occipital protuberance and foramen magnum and C7 spinous process Dorsal raphe narrow strips of collagenous tissue interlacing the tendons of upper traps and rhomboid minor -Ventral midline septum and very close to inter spinous ligament and resists flexion at the spine 6.Longitudinal Ligament -Ligamentum flavum-Posterior Atlanto occipital and Atlanto axial membrane-less elastic -Anterior Atlanto occipital and Atlanto axial membrane -strong and thick and continuation of Anterior longitudinal ligament -Tectorial membrane-Posterior longitudinal ligament -Close relation with atlas, axis, dens and atlantal cruciform ligament #biomechanicsofspine #spinebiomechanics #vertebralcolumnbiomechanics