Bones of the wrist and hand

This video tutorial explores the anatomy of the hand, focusing on the carpal, metacarpal, and phalangeal bones. It details the structure and function of these bones, as well as the joints that connect them. The tutorial also covers the clinical implications of a scaphoid fracture, including symptoms, diagnosis, and treatment options. The video concludes with a review of the key points discussed.

What is the total number of bones in the human hand?

• 32

• 30

• 24

• 27

Which bone is known for its boat-like shape?

• Pisiform

• Lunate

• Scaphoid

• Hamate

What is the mnemonic to remember the order of carpal bones?

• Tom pushes the car hard

• Sam likes to push the toy car hard

• Sam drives the car fast

• Tom likes to drive the fast car

Which metacarpal bone is the thickest and shortest?

• First

• Third

• Fourth

• Second

How many phalanges are present in the human hand?

• 14

• 12

• 10

• 16

Which phalanx is missing in the thumb?

• Proximal

• Middle

• Distal

• None

What type of joint is the Radiocarpal joint?

• Ellipsoid

• Saddle

• Ball and Socket

• Hinge

What is the common mechanism of injury for a scaphoid fracture?

• Falling on an outstretched hand

• Lifting heavy objects

• Twisting motion

• Direct hit

What is the potential complication of an untreated scaphoid fracture?

• Tendonitis

• Osteoporosis

• Avascular necrosis

• Arthritis

Which joint allows the thumb to perform opposition?

• Interphalangeal joint

• Metacarpophalangeal joint

• Carpometacarpal joint

• Radiocarpal joint