24 results
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
Anterior Interosseous ... Peripheral Nerve ... #physicalexam #msk ... #sports #neurology ... #orthopedics #Hand
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Elbow Flexion ... Inferior Gluteal ... Nerve Hip Abduction ... #MuscleGroups #MSK ... #Orthopedics #Neurology
OK Sign - Interosseous Nerve Injury

Patients with compromise of anterior interosseous nerve will not be able
compromise of anterior ... Normal and abnormal ... #Finger #Hand #PhysicalExam ... clinical #video #sports ... #msk #orthopedics
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Cord Injury by Nerve ... Abdominal Reflex L2 Anterior ... Medial Thigh Hip ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
sail sign or posterior ... interosseous nerve ... can't make A-OK sign ... II-IV, pending orthopedic ... #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
onto outstretched hand ... , neuropraxia (anterior ... interosseous nerve ... can't make A-OK sign ... #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... characteristic "waiter's tip ... aracteristic "claw hand ... Anterior Shoulder ... Myotomes #diagnosis #neurology
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Test for Ulnar Nerve ... clinical #video #neurology ... #physicalexam #msk ... #orthopedics #sports ... #hand
Lelli's Test (Lever Sign) for ACL Injury

A fist is placed under the proximal 3rd of the
3rd of the calf and ... Normal on the right ... #Injury #acl #anterior ... #physicalexam #sports ... #msk #orthopedics
Supine Napoleon Test for Subscapularis Tear

The patient is instructed to place his hand on his belly
hand on his belly ... his elbow upward ... test is positive (abnormal ... physicalexam #shoulder #msk ... #orthopedics #sports