Muscle weakness 5 common causes
Amyotrophic lateral sclerosis
- o it is a progressive degenerative disorder of the upper and lower motoneurons producing muscle weakness, spasticity, hyperreflexia ￼￼￼￼￼￼￼￼￼￼￼￼￼￼￼￼￼￼￼￼￼￼￼￼￼￼￼￼￼￼￼￼(upper motoneurons), atrophy, fasciculations, and hyporeflexia (lower motor neurons).
- It is an osteoarthritis involving the joints and discs of the cervical spine.
- Symptoms involve pain after motion and lifting.
Guillain- Barre syndrome
- Patients report a tingling sensation in the arms and legs followed by rapidly progressive ascending symmetric muscle weakness. These patients have hypore- flexia of the extremities.
- Patients with exhibit weakness and fatigability of proximal muscles with depressed or absent tendon reflexes.
- Muscle strength may increase after exercise.
Vitamin B12 deficiency
- It is characterized by generalized weakness and fatigability due to pernicious anemia.