MS Flashcards
Hyoid Landmark
C2/3
Cricoid Landmark
C6 -located just above thyroid
Thyroid
C4/5
Sternal Angle:
- posterior
- anterior
Posterior: T5 (as seen on XRAY)
Anterior: rib 2
Subarachnoid space down to
S3
Root of spine of scapula
T3
Highest pt of Iliac crest
L4 spinous process
PSIS landmark
S2
Spinal Cord to….
infant: L4
adult: L2 spinous process
Xiphisternal Jx landmark
T9/10
LU Apex landmark
behind medial 1/3 of clavicle
Terminal end of abd aorta landmark
L4
- also near highest pt of iliac crest
What attaches to supraglenoid tubercle?
long head of biceps
- down thru intertubercular groove to radial tuberosity
- innervated by musculocutaneous N.
What attaches to infraglenoid tubercle?
long head of triceps
The capitulum of the humerus touches what?
Radius
The trochlea of the humerus touches what?
Ulna
Coronoid Fossa is where?
anterior part of humerus at elbow
Olecranon Fossa is where?
posterior part of humerus at elbow
Carpal Bones mnemonic
Sam Limped to Paris, He Can’t Take Trains
(see L palm facing down at start at bottom R, then go clockwise)
- scaphoid above radius
- lunate, triquetrum, pisiform, hamate, capitate, trapezoid, trapezium
Hard Palate consists of what bones?
Front part is PALATINE of MAXILLARY
behind is the VOMER
What is the Pteryon or Pterion?
what is significant about this?
4 suture meeting pt (frontal, parietal, temporal, sphenoid)
- weak spot of skull and behind it is the MIDDLE MENINGEAL A —> trauma —> epidural hematoma
Most of the Zygomatic Arch is part of what bone?
Temporal Bone
Rotator Cuff muscles are?
subscap, supra and infra spinatus, teres minor
Temporal bone consists of?
mandibular fossa, styloid process, ext. acoustic meatus, mastoid process, zygomatic arch
What kind of bone is the patella?
sesamoid - bone embedded in tendon/muscle
Does the ulna touch the wrist?
no
What type of joint are MCP’s?
condylar jts
What type of joint is Radiocarpa jt ?
ellipsoidal jt
What type of joint is the Distal Radioulnar jt?
Plane jt
Where is the Sustentaculum Tali located and what does it attach to?
located on medial aspect of foot as part of CALCANEOUS and attaches to base of DELTOID LIGAMENTS
- (deltoid ligmants are Tibionavicular, Tibiocalcaneal, Tibiotalar)
What type of JOINT are sutures and syndesmosis that have NO MOVEMENT.
SYNARTHROSIS
What type of JOINT has LITTLE MOVEMENT like the pubic symphysis?
AMPHIARTHROSIS
What type of JOINT has FREE MOVEMENT?
DIARTHRODIAL… SYNOVIAL
JAW MOVEMENT is innervated by?
CN V (V3)
What muscles open and close the mouth?
Open: DIGASTRIC, LATERAL PTERYGOID
Close: MEDIAL PTERYGOID, MASSETER, TEMPORALIS
What elevates the mandible? depresses?
Elevates: Medial Pterygoid
Depresses: Lateral Pterygoid
*say “lateral” this opens your mouth and therefore depresses your mandible
There are no intervertebral discs located between which parts of the spine?
skull - C1 - C2
Where is the Ligamentum Flavum?
between laminae of adj vertebrae
Osteomalacia vs Chondromalacia?
Osteomalacia is DEMINERALIZATION of BONE.
CHONDROMALACIA is SOFTENING OF HYALINE CARTILAGE (usu seen in patella)
Paget’s Dz:
Eti?
Probs w what?
Signs?
Eti: paramyxovirus infx of osteoclasts
Bone - lytic and sclerotic - see in SKULL (bc likes flat & long bones)
Signs: bowing, OA, patho fractures
MOSAIC PATTERN
Osteochondroma - if you see multiple lesions this means?
increase risk of CHONDROSARCOMA
Benign bone lesions?
Osteoma, Osteoid Osteoma
What Dz is secondary to Paget’s and the 2nd MC primary malignant bone CA?
Osteosarcoma
What is MC primary malignant bone CA?
Chondrosarcoma (malig tumor of cartilage)
—> METS
What pop do you see Chondrosarcoma in?
Where in the body?
PELVIS of middle aged men
MC primary bone CA in the young?
Ewing’s Sarcoma
Which bone CA is extremely malignant? (it affects the marrow)
Ewing’s Sarcoma
Which bone CA do you see SHEETS OF ROUND CELLS?
Ewings’s Sarcoma
Which bone CA occurs in young males and is very common?
OSTEOSARCOMA
METS –> LU, Bone, Brain
