28 results
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
Antecubital Fossa Elbow ... Dorsal Thumb Wrist Extension ... Middle Finger Elbow ... Extension Triceps ... 2nd MTP) Big Toe Extension
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 ... Musculocutaneous Nerve Elbow ... Extension C7 Radial ... Nerve Wrist Extension ... #MuscleGroups #MSK
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Differential Diagnosis Algorithm ... Resisted shoulder extension ... Differential #Diagnosis #Algorithm ... #MSK
 The following #reflexes are routinely tested, and the response elicited is graded from zero to
The following #reflexes ... the patient's elbow ... the patient's elbow ... triceps muscle with extension ... forcible flexion or extension
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... musculocutaneous) • Extension ... C7 (median) • Extension ... C8 (median) • Extension ... , T1 (median) Reflexes
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
normally elicits elbow ... flexion, wrist extension ... radial (supinator) reflex ... Supinator #Test #Reflex ... #orthopedics #msk
Orthopedic Dislocations (Shoulder, Elbow and Hip) - Diagnosis and Management Summary
Shoulder Dislocation
 • Fall on the
Dislocations (Shoulder, Elbow ... Medial rotation Elbow ... Divergent • Elbow ... Bigelow method: FLEX ... EXTERNAL ROTATION, EXTENSION
Bunnel-Littler PIP Joint Test on Physical Exam
For intrinsic vs joint capsule cause of restriction or tightness
joint & passively flex ... MCP & passively flex ... limited in MCP extension ... tight PIPJ in MCP extension ... clinical #video #msk
Cozen's Test for Lateral Epicondylitis (Tennis Elbow)

The examiner should stabilize the elbow with patient's forearm fully
Epicondylitis (Tennis Elbow ... stabilize the elbow ... Lateral elbow pain ... resisted wrist extension ... video #sports #msk
Cozen's Test for Lateral Epicondylitis

Cozen's test assesses for lateral epicondylitis. Lateral elbow pain with resisted wrist
Lateral elbow pain ... resisted wrist extension ... Epicondylitis #elbow ... video #sports #msk