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NERVE INJURIES
| Question | Answer |
|---|---|
| Motor deficit: weak wrist flexion (radial side) | Median nerve |
| Motor deficit: loss of thumb opposition | Median nerve |
| Motor deficit: weak pronation | Median nerve |
| Sensory deficit: loss over palmar thumb, index, middle, radial half of ring finger | Median nerve |
| Functional deficit: ape hand deformity (thenar atrophy) | Median nerve |
| Functional deficit: difficulty with precision grip/pincer grasp | Median nerve |
| Motor deficit: weak finger abduction/adduction (interossei) | Ulnar nerve |
| Motor deficit: weak thumb adduction (adductor pollicis) | Ulnar nerve |
| Motor deficit: weak flexion of ring and little finger DIP joints | Ulnar nerve |
| Sensory deficit: loss over little finger and ulnar half of ring finger (palmar/dorsal) | Ulnar nerve |
| Functional deficit: claw hand deformity | Ulnar nerve |
| Functional deficit: difficulty with power grip | Ulnar nerve |
| Motor deficit: wrist drop (loss of wrist extensors) | Radial nerve |
| Motor deficit: weak finger extension | Radial nerve |
| Motor deficit: weak supination (supinator, biceps intact) | Radial nerve |
| Sensory deficit: loss over dorsal hand (radial side) and posterior forearm | Radial nerve |
| Functional deficit: inability to release grip (finger extension) | Radial nerve |
| Motor deficit: weak shoulder abduction (deltoid) | Axillary nerve |
| Motor deficit: weak external rotation (teres minor) | Axillary nerve |
| Sensory deficit: loss over lateral shoulder (regimental badge area) | Axillary nerve |
| Functional deficit: difficulty lifting arm overhead | Axillary nerve |
| Motor deficit: weak elbow flexion (biceps, brachialis) | Musculocutaneous nerve |
| Motor deficit: weak forearm supination (biceps) | Musculocutaneous nerve |
| Sensory deficit: loss over lateral forearm (via lateral cutaneous nerve) | Musculocutaneous nerve |
| Functional deficit: difficulty carrying/lifting objects | Musculocutaneous nerve |
| Motor deficit: weak hip flexion (iliopsoas) | Femoral nerve |
| Motor deficit: weak knee extension (quadriceps) | Femoral nerve |
| Sensory deficit: loss over anterior thigh and medial leg (saphenous branch) | Femoral nerve |
| Functional deficit: difficulty climbing stairs, rising from chair | Femoral nerve |
| Motor deficit: weak hip adduction (adductors) | Obturator nerve |
| Sensory deficit: loss over medial thigh | Obturator nerve |
| Functional deficit: difficulty crossing legs, instability during gait | Obturator nerve |
| Motor deficit: weak knee flexion (hamstrings) | Sciatic nerve |
| Motor deficit: loss of all ankle/foot movements (branches) | Sciatic nerve |
| Sensory deficit: loss over posterior thigh, leg, foot (except medial leg) | Sciatic nerve |
| Functional deficit: foot drop, unstable gait | Sciatic nerve |
| Motor deficit: weak plantarflexion (gastroc-soleus) | Tibial nerve |
| Motor deficit: weak toe flexion | Tibial nerve |
| Sensory deficit: loss over sole of foot | Tibial nerve |
| Functional deficit: inability to push-off during gait | Tibial nerve |
| Motor deficit: weak dorsiflexion (foot drop) | Common Peroneal nerve |
| Motor deficit: weak foot eversion | Common Peroneal nerve |
| Sensory deficit: loss over lateral leg and dorsum of foot | Common Peroneal nerve |
| Functional deficit: toe drag during swing phase | Common Peroneal nerve |
| Motor deficit: weak hip abduction (gluteus medius/minimus) | Superior Gluteal nerve |
| Functional deficit: Trendelenburg gait | Superior Gluteal nerve |
| Motor deficit: weak hip extension (gluteus maximus) | Inferior Gluteal nerve |
| Functional deficit: difficulty rising from seated position, climbing stairs | Inferior Gluteal nerve |
| Motor deficit: weak serratus anterior | Long Thoracic nerve |
| Functional deficit: winged scapula | Long Thoracic nerve |
| Motor deficit: weak shoulder abduction (supraspinatus) | Suprascapular nerve |
| Motor deficit: weak external rotation (infraspinatus) | Suprascapular nerve |
| Functional deficit: difficulty initiating abduction | Suprascapular nerve |