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Amyotrophic Lateral Sclerosis (ALS)
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Amyotrophic lateral sclerosis (ALS) is a progressive neurologic condition that affects motor neurons — the nerve cells responsible for controlling voluntary muscle movement. As these motor neurons gradually lose function, muscles weaken over time.
ALS primarily affects movement, including walking, hand use, speaking, swallowing, and eventually breathing. Unlike some other neurologic conditions, sensation is typically preserved. Many individuals remain fully aware of physical changes as they occur.
Early signs may include subtle weakness in the hands or legs, muscle cramping, twitching, or difficulty with fine motor tasks. Because ALS affects the motor system, changes tend to progress gradually.
Hearing the diagnosis can feel overwhelming. While ALS is progressive, supportive care plays a meaningful role in helping individuals maintain safety, comfort, and independence for as long as possible.
If you are experiencing progressive muscle weakness or changes in speech related to ALS, rehabilitation can help clarify what is happening and outline practical next steps.
What Happens After an ALS Diagnosis?
After diagnosis, care focuses on symptom management, proactive planning, and preserving function. Medical management may include medications aimed at slowing disease progression, while rehabilitation supports mobility and daily activities.
ALS care is intentionally collaborative. Physical therapy, occupational therapy, speech-language pathology, respiratory therapy, and medical specialists often work together as part of a coordinated care team. Physical therapy addresses mobility and safety. Occupational therapy supports daily tasks and adaptive equipment. Speech-language pathology assists with communication and swallowing. This interdisciplinary approach allows care to evolve as needs change.
Because ALS progresses differently in each person, care planning emphasizes ongoing assessment and adaptation.
How Physical Therapy For ALS Helps
Physical therapy for ALS focuses on maintaining mobility, managing weakness safely, and supporting energy efficiency as strength changes.
Therapy may help by:
- Maintaining joint mobility
- Supporting safe walking and transfers
- Addressing balance changes
- Recommending appropriate assistive devices
- Developing individualized exercise programs
- Preventing secondary complications related to immobility
Exercise is approached carefully. Because ALS affects motor neurons directly, therapy emphasizes moderate, well-monitored activity designed to preserve mobility without causing overexertion. Even small, structured interventions can help maintain comfort and safety longer than inactivity alone.
The goal is not to reverse ALS, but to maximize independence, reduce fall risk, and support quality of life through proactive movement strategies.
Care plans are individualized and adjusted in coordination with the broader medical team.
Common Features
People living with ALS may experience:
- Progressive muscle weakness
- Muscle cramping or twitching (fasciculations)
- Difficulty with walking
- Changes in hand coordination
- Speech or swallowing changes
- Fatigue related to muscle weakness
Presentation varies depending on which muscle groups are initially affected.
Symptoms You May Experience
Symptoms associated with ALS may include:
- Weakness in the arms or legs
- Difficulty gripping or lifting
- Slurred speech
- Trouble swallowing
- Muscle stiffness
- Shortness of breath in later stages
ALS does not typically cause sensory loss, meaning touch and feeling are usually preserved.
Related Conditions We Treat
ALS is part of a broader group of neurologic conditions that may benefit from interdisciplinary rehabilitation, including:
Frequently Asked Questions
Currently, there is no cure for ALS. Treatment focuses on symptom management and preserving function.
Physical therapy does not alter the underlying disease process, but structured care can help maintain mobility, improve safety, and reduce complications related to inactivity.
Yes, when appropriately guided. Gentle, moderate exercise may help maintain joint mobility and comfort. Programs should be individualized and monitored.
Rehabilitation can be beneficial early after diagnosis to establish baseline function and introduce proactive strategies. It can also support individuals at later stages as needs evolve.
Yes. As strength changes, care plans are adjusted to reflect new priorities and safety considerations.
Learn More About Physical Therapy
If you’d like more information about what to expect during physical therapy, visit our Patient Resources page.
Get Started
If ALS-related changes are affecting your mobility, speech, or daily function, a physical therapy evaluation can help determine appropriate next steps and coordinate care within your broader medical team.
