S2_L2: Elbow & Forearm Flashcards
What part of the humerus articulates to the ulna?
Trochlea
Source: Lecture Formative Quiz
What is the type of joint of the humero-ulnar articulation?
Modified hinge joint
Source: Lecture Formative Quiz
What ligament provides stabilizing action against varus
forces at the elbow?
Radial collateral ligament
Source: Lecture Formative Quiz
Among the elbow flexors, which one contracts actively always regardless of the position of the forearm?
Brachialis
Source: Lecture Formative Quiz
Among the elbow flexors, which one is most effective
between 80-100Β° of flexion?
Biceps brachii
Source: Lecture Formative Quiz
Where is the common origin of wrist flexor muscles?
Medial epicondyle
Source: Lecture Formative Quiz
What nerve provides sensory supply on the lateral side of the dorsum of wrist and hand and lateral 3 1β2 digits?
Radial nerve
Source: Lecture Formative Quiz
What nerve may be entrapped between the two heads of the flexor carpi ulnaris?
Ulnar nerve
Source: Lecture Formative Quiz
What is the endfeel for elbow flexion?
Soft
Source: Lecture Formative Quiz
What is the dermatome assigned at the level of the lateral epicondyle?
C5
Source: Lecture Formative Quiz
Regeneration rate of nerves when immobilized
1 mm per day (range 0.5-0.9mm)
Match the following techniques to the nerve it is associated with.
- ULTT 1
- ULTT 4
- ULTT 3
A. Radial nerve
B. Median nerve
C. Ulnar nerve
- B
- C
- A
This condition is known as the Little Leagueβs Elbow
Medial Elbow Tendinopathy
How long is the period of immobilization of Total Elbow Arthroplasty (TEA)?
8-12 days to weeks
TRUE OR FALSE: A patient may already try to perform push-ups 4 weeks after TEA to facilitate healing.
False.
The patient must avoid this activity for 6 weeks.
What peripheral nerve injury is associated with the ulnar nerve?
cubital tunnel syndrome
____ is a cumulative trauma disorder, not from a sudden injury.
overuse syndrome
Enumerate the 5 possible etiology of joint hypomobility
Fracture
Dislocation
Arthritic conditions
Burns
Myositis ossificans
Determine what is the intervention scenario done in each condition?
- Total Elbow Arthroplasty
- Elbow Tendinopathy
- Peripheral Nerve Injury (Acute Phase)
- Peripheral Nerve Injury (Recovery Phase)
- Peripheral Nerve Injury (Chronic Phase)
A. to restore & to compensate
B. to compensate & prevent
C. to restore only
- B
- C
- A
- C
- B
What is the ROM necessary for function of the elbow? Answer for flexion, extension, pronation, and supination.
flexion-extension: 30-130*
supination-pronation: 50* each
Source: Chegg Elbow Evaluation
4 possible etiology of lateral epicondylalgia?
- overuse phenomenon
- gripping activities with repetition or sustained force
- tennis players, factory workers
- potential for degenerative changes at tendon
Source: Chegg Elbow Evaluation
2 possible etiology of medial epicondylalgia?
- overuse of wrist flexion or pronation
- overhead throwers and golfers
Source: Chegg Elbow Evaluation
What is the intervention for simple dislocations?
Closed reduction and splint in flexion for 7-10 days
Source: Chegg Elbow Evaluation
Determine the sensory loss if entrapment of median nerve at ligament of struthers occurs?
- palmar fingers 2, 3, and1/2 of 4
- thumb
- radial palm
Source: Chegg Elbow Evaluation