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CanColl May12 MCQ RegA 1

# of bones in the body 206
cervical 7
thoracic 12
lumbar 5
sacral 5 fused
coccygeal 4 fused
total verterbral 33 (26 if you count the fused as singles)
what is C7 called vertebra prominens
what is C1 called Atlas
What is C2 called Axis
what is the formation unique to axis the dens
where does the spinal cord end L1, L2
the coccyx is also known as your: tail bone
Where is the annulus fibrosis weakest postero-lateral
name the erector spinae mm's from lateral to medial I love spagetti
ribs - which are called true ribs 1 - 7
ribs - which are called false rib 8, 9, 10 plus any that you have had inserted...
ribs - which are called floating or free 11, 12
Proximal row of carpal bones - beginning on thumb side (palm up) Some Lovers Try Positions Scaphoid, lunate, tiquetrum, pisiform
distal row of carpal bones - beginning on thumb side (palm up) That they can't handle Trapezium, trapezoid, capitate, hamate
Trapezium vrs trapezoid trapezium is on your thumb. trapez"oi"d - you use to point (index)
what structures pierce the diaphragm inferior vena cava, esophagus, aorta
O & I for diaphragm O=xyphoid, lower 6 ribs, sup 2or3 lumber verts & IVDs. I=central tendon
what elevates ribs during inspiration external obliques
what depresses ribs during expiration internal obliques
Scalenes - action ipsi lat flex + ipsi rotation
SCM - action ipsi lat flex + contra rotation
Radius - which end is the head Proximal
Ulna - which end is the head Distal
What makes up the mobile wad of three? brachioradialis, extensor carpi radialis longus & brevis (ECRL + ECRB)
anatomical snuffbox a brevis sandwich - EPB is between the two longus. The snuffbox is made up of the tendons. Medial = Extensor Pollicis Longus - Lateral = Extensor Pollicis Brevis & Abductor Pollicis Longus
Thenar muscles abductor pollicis brevis, flexor pollicis brevis and opponens pollicis
terrible triad (knee) MCL, ACL + medical meniscus
how many segments in spine 33
breakdown of spinal segments C = 7, T = 12, L = 5, Sacral = 5 (fused), Coccygeal = 4 (fused)
How many IVDs are in an adult spine 23
Where is the Apex of the sacrum the distal / inferior surface or the sacrum - articulates with coccyx
Where is the base of the sacrum top/proximal surface
Joints - functional classification synarthrodal - virtually no movement ampiarthrodal - some movement diarthrodal - fully moveable (all synovial joints are diarthrodal)
memory key for joint classification it's a sin to move - ambivalent - dying to move
joints - structural classification fibrous (no joint space), cartilaginous (no joint space)synchondrosis, synovial (joint space+ articular capsule)
synovial types: plane AC, intercarpal
synovial types: hinge humeral ulnar (elbow0, IP joints
synovial types: pivot atlanto axial, proximal radioulnar
synovial types: condyloid radiocarpal
synovial types: saddle sternoclavicular
synovial types: ball glenohumeral, coxal
General features found in (most) synovial joints articular capsule, joint cavity, synovial fluid, articular cartilage (usually hyaline), ligaments, articular disc/meniscus, labrum, bursa, tendon sheath
IVDs - nucleus pulposa avascular, gel centre
IVDs - annulus fibrosis outer ring
Herniated discs ususally occur at L4 - L5 or L5 - S1 (95%)
Herniated discs - which way do they herniate? postolaterally (95%)
Created by: Hanz Onn