O
Oarsman's wrist
336–337
Ober test
for iliotibial band tendonitis
324
for trochanter bursitis
612
Obesity
410–411
Oblique muscle strain
2–3
O'Brien's active compression test
274
Occipitoatlantal fusion, congenital
98–99
Occipitoatlantal instability, congenital
98–99
Occipitocervical junctional anomalies, congenital
98–99
Occipitofacial view
651
651
Occipitofrontal view
650
650
Occipitomental view
650–651
650–651
Occult injuries, MRI for
629
Oculocardiac reflex
170
Odontoid view, of cervical spine
652–653
652–653
Olecranon
228
Olecranon apophysitis
360
Olecranon avulsion fracture
608–609
Olecranon bursa
anatomy of
705
705
injection of
704–706
705
706
Olecranon bursitis
56
412–413
radiography of
632
633
Olecranon fracture
228–229
Onychocryptosis
414–415
Onychomycosis
416–417
Oral lacerations
418–419
Orbit
230
radiography of
651
651
Orbital blowout fractures
170–171
230–233
Orbital cellulitis
456–458
Orbital floor
230
Orbital floor fracture
170–171
Orbital fracture
230–233
Orbital hemorrhage
556
Orbital rim fracture
230–233
Orbital roof
230
Orbital septum
456
Orbital wall fracture
170–171
230–233
Ortolani test
116
Os calcis radiography
638
638
Osgood-Schlatter disease
420–421
Os naviculare (secundarium)
166–167
Osteitis pubis
422–423
Osteoarthritis
424–425
Osteochondral fractures
258–259
Osteochondral fractures, patellar
234–235
Osteochondritis
of capitellum
360
of pubic symphysis
422–423
Osteochondritis deformans juvenilis
42–43
Osteochondritis dissecans
of elbow capitellum
438–439
general discussion of
426–427
Osteochondrosis
256
of capitellum
360
438–439
of tarsal navicular
256–257
of upper extremity, juvenile
362–363
Osteolysis, distal clavicular
130–131
Osteomyelitis
428–431
Osteonecrosis
of capital femoral epiphysis of femoral head
42–43
metatarsal head
268–269
Osteopenia
432
Osteoporosis
432–433
in athlete
386
in female athlete triad
158–159
of pregnancy, transient
488–489
Os tibiale (externum)
166–167
Otitis externa
434–435
Otitis media
434–435
Ottawa Ankle Rules
208
Outlet view, at subacromial space
635
635
Overreaching
436
Overtraining
436–437
Overweight
410
Overweight management
410
Oxicams
406