65 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
Thoracodorsal Nerve Elbow ... Extension C7 Radial ... Nerve Wrist Extension ... C6 Radial Nerve ... MuscleGroups #MSK #Orthopedics
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
is the nerve of elbow ... , wrist and digital ... and elbow joints ... When clinically ... diagnosis #neurology #orthopedics
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
Midcarpal Instability ... Intrinsic Midcarpal Instability ... #Wrist #msk #orthopedics ... #clinical #video ... #physicalexam
Varus Stress Test for Radial (Lateral) Collateral Ligament Stability on Elbow Examination

Radial collateral ligament stability can
Stress Test for Radial ... on Elbow Examination ... #elbow #PhysicalExam ... #clinical #video ... #sports #msk #orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Pronation - C7, C8 Wrist ... Wrist drop - Occurs ... Carpal Tunnel Syndrome ... sensory #motor #arm #physicalexam
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... trauma_modern #Wrist ... Nerve #Palsy #PhysicalExam ... #clinical #video ... #orthopedics #msk
Sulcus Sign on Shoulder Exam

Positive sulcus sign in a shoulder with multidirectional instability.

Downward force applied at
multidirectional instability ... applied at the elbow ... Sign #Shoulder #PhysicalExam ... #clinical #video ... #msk #orthopedics
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
normally elicits elbow ... flexion, wrist ... Reflex #neurology #clinical ... #video #physicalexam ... #orthopedics #msk
Watson's Test for Scapholunate Instability

1) The examiner places a thumb over the scaphoid tubercle, applying dorsal
for Scapholunate Instability ... from ulnar to radial ... #wrist #clinical ... #video #physicalexam ... #orthopedics #sports
Golfer’s Elbow Test

While supporting the elbow and palpating the medial epicondyle with one hand, the examiner
the hand at the wrist ... resists active wrist ... #clinical #video ... #physicalexam # ... orthopedics #msk