The Hand Flashcards
Deformity of the PIP joint due to rheumatoid arthritis
Boutonniere Deformity
Deformity of the DIP joint due to rheumatoid arthritis
Swan-Neck Deformity
Most of the finger movement in our hands come from what muscles?
Extrinsic Muscles in the Forearm
What are the 4 groups of Intrinsic Muscles in the Hand?
Thenar
Hypothenar
Interossei
Lumbrical Muscles
Name the 4 Thenar Muscles.
Adductor Pollicis
Opponens Pollicis
Abductor Pollicis Brevis
Flexor Pollicis Brevis
Name the 3 Hypothenar Muscles.
Abductor Digiti Minimi
Flexor Digiti Minimi
Opponens Digiti Minimi
An infection of the finger that involves the tissue at the edges of the fingernail. Usually superficial and localized to the soft tissue and skin around the fingernail. Most common bacterial infection seen in the hand.
Paronychia
An infection of the finger tip and soft tissue that is associated with it.
Felon
How many flexor tendons does each digit have?
(except for the thumb)
2
Name the two flexor tendons of the digits.
Flexor Digitorum Profundus
Flexor Digitorum Superficialis
What is the name of the thumb flexor.
Flexor Pollicis Longus
Infection that involves the tendon sheaths responsible for flexing or closing the hand. Typically occurs in individuals with underlying suppressed immune systems.
Infectious Flexor Tenosynovitis
Swollen synovium of the A1 Pulley and tendon in the fingers.
Trigger Finger
What is a possible complication when reducing possible entrapment of the pulley system as seen in Trigger Finger?
Dislocated Finger
A 23 year old male present to the ER. He reports that while playing basketball he fell on his outstretched hand with the palm down. The right wrist is slightly swollen and tender but not deformed. However, deep palpation of the anatomical snuff box elicits extreme tenderness. What do you suspect?
Scaphoid Fracture
What artery may be involved in a Scaphoid Fracture?
Radial Artery
What bone lies next to the Scaphoid Bone and may be dislocated along with a Scaphoid fracture?
Lunate Bone
What nerve runs over the Scaphoid bone?
Median Nerve
What nerve innervates the flexor muscles in the anterior compartment of the forearm?
Median Nerve
What nerve innervates the Flexor Carpi Ulna’s and part of the Flexor Digitorum Profundus?
Ulnar Nerve
What can result from Carpal Tunnel Syndrome?
Thenar Muscle Wasting
What are 2 special tests that can be used to test for Carpal Tunnel Syndrome
Phalen’s Test
Tinel’s Test
Test for Carpal Tunnel Syndrome where the patient flexes their wrist together for 60 seconds.
Phalen’s Test
Test for Carpal Tunnel Syndrome where you tap over the patient’s transverse carpal ligament.
Tinel’s Test
How can you treat Carpal Tunnel Syndrome
NSAIDs
Splint
Environment Modifications
Surgical Release of the Ligament
Avulsion of the Long Extensor Tendon leaves the finger unable to extend at what joint?
DIP Joint
What two tendons allow the finger to stay straight?
Extensor Tendon
Flexor Tendon
If one of the tendons in the finger tears, which way will the finger bend?
Away from the torn tendon
A Flexor Tendon tear of the finger is also known as what?
Jersey Finger
Test used to ensure Ulnar artery sufficiency
Allen’s Test
