30 results
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
Innervation of Muscles Shoulder ... Nerve Shoulder ... Adduction C6-C8 ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Pain - Differential ... abduction 3. ... extension after ... #Pain #Differential ... Diagnosis #Algorithm #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Overhead throwing => Abduction ... Force exceeds tensile ... strength of muscle, tendon ... signs #symptoms #msk ... #orthopedics #pathophysiology
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
shoulder external ... → shoulder abduction ... Median #Nerve #Tension ... physicalexam #sports #msk ... #orthopedics #neurology
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT1)

To assess for Median Nerve Peripheral Neuropathy

Shoulder abduction →
Neuropathy Shoulder ... abduction → forearm ... → shoulder external ... physicalexam #sports #msk ... #orthopedics #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... C7 (median) • Extension ... C8 (median) • Extension ... Anterior Shoulder ... Myotomes #diagnosis #neurology
Shoulder Impingement Syndrome (SIS): Signs and Symptoms

Repetitive Overhead Activity, Scapular Dyskinesis -> Scapulohumeral mechanics become altered
Shoulder Impingement ... cuff (RC) muscle-tendon ... abduction + Neer's ... signs #symptoms #msk ... #pathophysiology
Landau's Reaction (Reflex)  on Physical Exam

Landau's reaction is investigated holding the baby firmly under the
Landau's Reaction ... Exam Landau's reaction ... 5th month and should ... When the reaction ... clinical #video #Neurology
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Chondrodysplasia Neurologic ... Stroke • Root Lesion ... Decr ROM in hip abduction ... Trendelenburg #Gait #pathophysiology ... signs #diagnosis #msk
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
Dorsal Thumb Wrist Extension ... Antecubital Fossa Finger Abduction ... 2nd MTP) Big Toe Extension ... NerveRoots #Levels #differential ... #diagnosis #Neurology