Bones Flashcards
Head
- Skull: 22
* Ossicles: 6
Neck
- Hyoid: 1
* Vertebrae (Cervical): 7
Thorax
- Sternum: 1
- Ribs: 24
- Vertebrae (Thoracic): 12
Abdomen
- Vertebrae (Lumbar): 5
Pelvis
- Hip: 2
- Sacrum (Sacral Vertebrae; 5 fused): 1
- Coccyx (Coccygeal Vertebrae; 4 fused): 1
Upper Extremity
- Clavicle: 2
- Scapula: 2
- Humerus: 2
- Radius: 2
- Ulna: 2
- Carpals: 16
- Metacarpals: 10
- Phalanges: 28
Lower Extremity
- Hip (Coxal): 2
- Femur: 2
- Patella: 2
- Tibia: 2
- Fibula: 2
- Tarsals: 14
- Metatarsal: 10
- Phalanges: 28
Sternal angle
- Horizontal plane between T4 & T5
- Level of 2nd rib
- Junction between manubrium and body of sternum
Gender differerences in sternum
Males: body of sternum 2x greater than manubrium
Epigastric Fossa
Pit formed by indent of xiphoid process
Ribs
- Head: vertebral body
* Neck: transverse process
True ribs, false ribs, floating ribs, typical, and atypical
- True: 1-7 or 8
- False: 9-12
- Floating: 11-12
- Typical: 3-9
- Atypical: 1-2, 10-12
How many bones are in the ankle?
3
Fractures when falling on outstretched hands
- Scaphoid Fracture: Younger people
2. Colles Fractures: Fracture of distal radius in older people
Tennis Elbow
Inflammation of tendons attaching to lateral epicondyle (Lateral epicondylitis)
Components of Intervertebral disc
- Nucleus Pulposis
2. Annulus FIbrosis
What is the name of C7?
Vertebrae Prominens
What makes up the Foramen of the vertebrae?
- Pedicle
2. Lamina
Thoracic Outlet Syndrome
Impingement of neurovascular components running between thorax and neck (Scalenus Anticus Syndrome)
Pubic Angle Gender Differences
- Males: More Acute angle (index finger and middle finger)
2. Females: More obtuse angle (thumb and index finger)
What is the most commonly fractured bone during birth?
Clavicle because it is the first bone that undergoes ossification
Most commonly fractured long bone
Tibia (“bumper” fracture or boot hop)
