141 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
Wrist Extension ... Fingers Flexion ... Fingers Abduction ... Hip Flexion L2 Nerve ... MuscleGroups #MSK #Orthopedics
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Fractures • Finger ... • Extension of wrist ... Small muscles of hand ... (finger abduction ... at DIP joint
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Hand Nerve Injuries ... Presentations • Wrist ... Injury • Claw Hand ... #Anatomy #Differential ... Diagnosis #MSK #Orthopedics
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... Examination Left hand ... trauma_modern #Wrist ... #Palsy #PhysicalExam ... clinical #video #orthopedics
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Mallet Finger Absence ... Exam: Swollen and ... Discharge with orthpedic ... Diagnosis #Management #Hand ... #Orthopedics #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
• Colles (90% "dinner ... onto outstretched hand ... variable gross wrist ... fracture, median nerve ... reduction using finger
Ulnar Nerve Anatomy and Function
The Ulnar nerve is the nerve of hand power and control. It
the nerve of hand ... the ring finger ... and the Ulnar nerve ... from TOS to the hand ... diagnosis #neurology #orthopedics
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... no longer sitting ... fracture, median nerve ... Disposition: Pending orthopedic ... Diagnosis #Management #Orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... , C8 (radial) Finger ... Supinator - C5, C6 • Finger ... Horner Syndrome Wrist ... sensory #motor #arm #physicalexam
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 ... C6 Dorsal Thumb Wrist ... Finger Flexion ... Anterior Medial Thigh Hip ... NerveRoots #Levels #differential