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Lecture 8

BIMS 201 Lecture Notes - Lecture 8: Sural Nerve, Saphenous Nerve, Ulnar Nerve

Biomedical Science
Course Code
BIMS 201
Elizabeth A.Crouch

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Middle or the anterior supraclavicular nerve.
Head turned to the opposite side, skin over the chest pulled down; draw the finger over the length of
Anterior intercostal nerves- lower part of the chest.
Posterior branches of the intercostals nerve.
Ulnar side of the palm: ulnar nerve, palmar branch of the ulnar at ulnar border of wrist.
Middle of the palm: median nerve or palmar branch.
Radial side: Cutaneous branch of radial nerve- lower third of forearm, winds around the radial side of
forearm to the dorsum of hand.
Lateral side: terminal br of radial or main trunck.
Ulnar side: dorsal branch of ulnar nerve or main trunck; dorsal br- ulnar side of the wrist pt clenches
hand and flexes the wrist.
Digital branches of ulnar, median and radial.
Medial, lateral and the dorsal antebrachial cutaneous nerves
Dorsum of foot:
Lateral side- sural nerve junction of upper 2/3 and lower 1/3 , winds around the lateral malleolus and
lateral to tendoachilles
Middle- Musculocutaneous nerve-front of the ankle when foot extended and inverted between EDL &
Medial- saphenous nerve- medial border of tibia & lower down the medial malleolus.
Plantar surface of foot:
Medial side: saphenous nerve.
Middle: posterior tibial nerve.
Lateral: sural nerve.
Leg: Musculocutaneous, lateral popliteal, sural and saphenous nerve.
Knee: Infrapatellar nerve- rolling it against the bone on the medial side below the patella.
Thigh: Femoral cutaneous nerve (medial, intermediate, lateral and posterior)- legs flexed and muscles of
thigh made stiff.
Test for sensory changes:
1. Light touch,
2. Pain,
3. temperature.
Non lepromatous> lepromatous.
Advanced lepromatous- “glove &stocking”
Patient comfortably seated able to reach all parts.
Light touch:
Material: piece of paper, light feather, wisp of cotton. Pins for soles.
Explaining the procedure to the patient.- instruct to show every time with finger when he feels touch.
Test with eyes open first.
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