12 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
Elbow Flexion ... Fingers Flexion C8 Median ... Tibial Nerve Knee ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Yergason's Test on Physical Exam
Yergason's test for biceps tendon pathology testing stability of the tendon within
Yergason's test for biceps ... ER, supination, elbow ... and/or SLAP tear ... Yergasons #Test #PhysicalExam ... clinical #video #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
Cord Injury by Nerve ... Antecubital Fossa Elbow ... Flexion Biceps ... Middle Finger Elbow ... differential #diagnosis #Neurology
Biceps Tendon Tendonitis on POCUS

Patient presents with left shoulder pain. The sono-anatomy is labeled. Tendons, nerves,
Biceps Tendon Tendonitis ... Tendons, nerves, ... for a partial tear ... #Biceps #Tendon ... POCUS #clinical #msk
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Jerk - C7, C8 • Biceps ... nerve distribution ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
Median Nerve Tension ... Neuropathy Elbow ... #Nerve #Tension ... #sports #msk #orthopedics ... #neurology #ULNT
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT1)

To assess for Median Nerve Peripheral Neuropathy

Shoulder abduction →
Median Nerve Tension ... external rotation → elbow ... #Nerve #Tension ... #sports #msk #orthopedics ... #neurology #ULNT
Biceps Tension Test 

To perform the Biceps Tension Test supinate the arm, abduct the shoulder to
Biceps Tension Test ... degrees, flex the elbow ... associated labral tear ... tendinopathy #Shoulder #PhysicalExam ... video #sports #msk
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • Knee ... Ankle - S1 • Biceps ... Medical Emergency ... damage to peroneal nerve ... Myotomes #diagnosis #neurology
Speed's Test on Shoulder Examination

With the arm straight out (elbow fully extended) at 90 degrees of
straight out (elbow ... tendon groove area ... superior labral tear ... Test #Shoulder #PhysicalExam ... #orthopedics #msk