16 results
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
Anterior Interosseous ... Peripheral Nerve ... #clinical #video ... #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
Wrist Extension ... Inferior Gluteal ... Nerve Hip Abduction ... MuscleGroups #MSK #Orthopedics ... #Neurology #Diagnosis
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
• Extension of wrist ... adduction) OK Sign ... - AIN (Anterior ... #Injury #UpperExtremities ... #diagnosis #neurology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral ... ("apple") should ... fracture, median nerve ... injury • ED ... #Sports #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder ... Pathogenesis, clinical ... Acute loss of lateral ... #Diagnosis #signs ... symptoms #msk #orthopedics
OK Sign - Interosseous Nerve Injury

Patients with compromise of anterior interosseous nerve will not be able
Nerve Injury ... compromise of anterior ... #PhysicalExam #clinical ... #video #sports ... #msk #orthopedics
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Pathogenesis and clinical ... Avulsion or shearing injury ... from impact onto lateral ... hip Signs/Symptoms ... #symptoms #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
by Nerve Root Levels ... C6 Dorsal Thumb Wrist ... Abdominal Reflex L2 Anterior ... Medial Thigh Hip ... Hamstring Reflex S1 Lateral
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Fractures (medial/lateral ... , 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,
Motor Function Shoulder ... Pronation - C7, C8 Wrist ... Horner Syndrome Wrist ... spared in this injury ... Anterior Shoulder