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The Brachial Plexus.pptx
- 2. Neurological Level - C5 Muscle Testing – DELTOID C5 3 part muscle 1. Anterior Deltoid - Flexes 2. Middle deltoid – Abducts 3. Posterior Deltoid - Extends
- 3. Neurological Level - C5 Muscle Testing – BICEPS C5-C6 1. Flexor of Shoulder 2. Flexor of Elbow 3. Supinator of Forearm Reflex testing – Biceps reflex Sensation testing – Axillary Nerve(Lateral arm)
- 4. Neurological Level – C6 Muscle Testing Neither of the C6 muscle is pure Wrist Extensors – C6 C7 Biceps – C5 C6
- 5. Wrist Extensor Group: C6, Radial Nerve 1. Extensor Carpi Radialis Longus – C6 2. Extensor Carpi Radialis Brevis – C6 3. Extensor carpi ulnaris – C7 Reflex testing – Brachioradialis, Biceps Sensation – Lateral Forearm (MCN)
- 6. Neurological Level – C7 Muscle Testing TRICEPS C7 Radial Nerve – ask the patient to extend from flexion position Wrist Flexor Group: C7, Median and Ulnar Nerves
- 7. Wrist Flexor Group: C7, Median and Ulnar Nerves 1. The flexor carpi radialis (median nerve) – C7, more important, strong flexor 2. The flexor carpi ulnaris (ulnar nerve) – C8, less important, weak flexor
- 8. Finger Extensors: C7, Radial Nerve 1. Extensor digitorum communis 2. Extensor digiti indicis 3. Extensor digiti minimi Reflex – Triceps Sensation – Middle finger
- 9. Neurological Level – C8 Muscle Testing – Finger FLEXORS 1. Flexor Digitorum Superficialis (Flexes proximal interphalyngeal) - Median nerve 2. Flexor Digitorum Profundis (Flexes Distal Interphalyngeal Joint) - Median/Ulnar
- 12. Summary: C5 – T1 Motor Levels • Shoulder Abduction C5 • Wrist Extension C6 • Wrist Flexion C7 • Finger Extension C7 • Finger Flexion C8 • Finger Abduction T1 • Sensory Levels • Lateral Arm C5 • Lateral Forearm C6 • Middle Finger C7 • Medial Forearm C8 • Medial Arm T1
- 13. Summary: C5 – T1
- 14. Summary: C5 – T1
Editor's Notes
- Divided into 4 parts. And each part has its own branches to different parts of the upper extremities
- Neither of the C6 muscle is pure Neither of the C6 muscle tests is pure; the wrist extensor group is innervated partially by C6 and partially by C7, while the biceps has both C5 and C6 innervation
- Neither of the C6 muscle is pure
- ask the patient to make a fist and to flex his wrist as you resist against the palmar aspect of his closed fist.
- To test finger extension, press on the dorsum of the patient’s extended fingers Sensation is supplied to the middle finger by C7. Occasionally, middle finger sensation is also supplied by C6 and C8.
- test finger flexion, curl or lock your fingers into the patient’s flexed fingers and try to pull them out of flexion
- C8 supplies sensation to the ring and little fingers of the hand and to the distal half of the forearm’s ulnar side. The ulnar side of the little finger is the purest area for ulnar nerve sensation (predominantly C8)