Therapeutic exercise

Overview of Treatment

Physical therapy exercises are a non-invasive treatment modality that utilizes systematic physical activities to improve functional impairments, alleviate pain, and promote tissue repair. The primary goal is to restore patients' ability to perform daily activities, commonly integrated into rehabilitation, orthopedics, and neurology treatment protocols. This therapy combines principles of biomechanics and exercise science, tailored to injuries or diseases affecting the musculoskeletal system, cardiopulmonary function, or nervous system.

Unlike medications or surgery, physical therapy exercises emphasize active patient participation. Therapists adjust the intensity and type of exercises based on the stage of injury or illness. For example, during the acute phase, focus is on anti-inflammatory activities, while in chronic stages, strengthening and coordination are prioritized. The long-term benefits include preventing secondary injuries and enhancing quality of life.

Types and Mechanisms of Treatment

There are four main categories: 1) Strength training (e.g., resistance exercises) to enhance muscular support, 2) Flexibility training (e.g., stretching exercises) to improve joint range of motion, 3) Balance training (e.g., single-leg stance) to prevent falls, 4) Cardiopulmonary training (e.g., aquatic exercises) to boost metabolic functions. Each type operates through different mechanisms; for instance, strength training stimulates cellular metabolism via muscle contractions, while balance training retrains cerebellar and vestibular system coordination.

Neural facilitation techniques such as PNF (Proprioceptive Neuromuscular Facilitation) activate deep muscles, and aerobic exercises promote endogenous pain-relief substances like endorphins. Therapists utilize biofeedback devices or mirror therapy to precisely regulate exercise intensity for optimal outcomes.

Indications

Mainly suitable for: 1) Orthopedic conditions such as degenerative arthritis and herniated discs, 2) Neurological disorders such as post-stroke sequelae and peripheral nerve injuries, 3) Cardiopulmonary rehabilitation like recovery after cardiac surgery, 4) Chronic pain management in gynecology or rehabilitation settings. For example, specific joint mobility exercises can relieve frozen shoulder symptoms.

It is also applicable for injury prevention in sports and occupational injury rehabilitation. Clinical evidence shows that core muscle training in patients with chronic lower back pain can reduce recurrence rates by over 40%. Therapists design phased training programs based on pain scores and activity limitations.

Usage and Dosage

Frequency is typically 2-3 times per week, with sessions lasting 30-60 minutes. Initially, passive movements may be used, gradually progressing to active exercises. For example, stroke patients with paralysis may require assistive devices initially, with gait training starting after three months. Exercise intensity is evaluated using the Borg scale, with cardiopulmonary exercises generally maintained at 60-80% of maximum heart rate.

Dosage adjustments follow the principle of gradual progression, increasing resistance by 5-10% per session. Special populations such as hypertensive patients require blood pressure monitoring, and post-arthroplasty patients must adhere strictly to range-of-motion restrictions. Therapists employ the FITT principle (Frequency, Intensity, Time, Type) to develop personalized plans.

Benefits and Advantages

Major advantages include:

  • Non-pharmacological approach avoiding addiction and side effects
  • Enhancement of proprioception and motor control
  • Promotion of endogenous repair mechanisms
Long-term follow-up shows that water-based exercises in degenerative knee patients can reduce pain scores by 30-50%.

Additionally, this therapy can improve metabolic abnormalities, such as increasing insulin sensitivity in diabetic patients through resistance training. Compared to surgery, patients with herniated discs who undergo physical therapy report satisfaction rates as high as 85%, with medical costs reduced by 40%.

Risks and Side Effects

Potential side effects include:

  • Acute muscle soreness (peaking 24-48 hours post-exercise)
  • Joint overloading leading to swelling or redness
  • Metabolic intolerance symptoms such as dizziness or weakness
These reactions are usually temporary, but severe pain or neurological symptoms (e.g., numbness) require immediate cessation of activity.

Serious risks include: joint structural damage, metabolic disturbances, poor adherence leading to suboptimal outcomes. High-intensity training in hypertensive patients may provoke abrupt blood pressure fluctuations, necessitating ECG monitoring.

Precautions and Contraindications

Contraindications include:

  • Acute inflammatory phase (joint redness, swelling, heat, pain)
  • Uncontrolled metabolic diseases (e.g., blood glucose >300 mg/dL)
  • Acute osteoporotic fractures
Pre-treatment assessment with the FIM (Functional Independence Measure) is recommended. Patients with severe cardiopulmonary failure should be monitored closely during therapy.

Precautions:

  • Perform warm-up exercises post-training to prevent cramps
  • Diabetic patients should train one hour after meals to avoid hypoglycemia
  • Regularly check assistive devices for proper fit
For contraindicated patients, forced training may cause secondary tissue damage.

Interactions with Other Treatments

Regarding drug interactions, non-steroidal anti-inflammatory drugs can reduce post-exercise inflammatory responses but may delay muscle repair. Combining physical therapy with surgical treatments, such as immediate isometric exercises post-total knee replacement, can reduce joint stiffness.

In integrated treatments with traditional Chinese acupuncture, electrical stimulation combined with exercises can enhance neuromuscular control. However, caution is needed:

  • Patients on anticoagulant therapy should avoid high-impact exercises
  • Immediate resistance training after electrical therapy may induce muscle spasms
All multidisciplinary approaches should be evaluated by a team of professionals.

Evidence of Effectiveness

Clinical studies indicate that stroke patients receiving 6 weeks of neurodevelopmental therapy show an average improvement of 40% in the Barthel Index. Patients with herniated discs undergoing core stabilization training exhibited a 15% reduction in disc protrusion on MRI after three months. Arthroscopic examinations reveal that appropriate training promotes synovial secretion and alleviates symptoms of degenerative arthritis.

Systematic reviews suggest that patients with rotator cuff tendinitis undergoing joint mobilization combined with stretching exercises experience a 60% reduction in pain scores. However, efficacy is influenced by age, compliance, and disease stage, requiring individualized assessment.

Alternative Options

Alternatives include:

  • Pharmacological treatments: NSAIDs or nerve blocks
  • Invasive procedures: intra-articular injections or minimally invasive surgery
  • Complementary therapies: acupuncture or thermotherapy
When choosing, compare effectiveness, costs, and patient preferences. For example, knee osteoarthritis patients may prefer aquatic exercises over medication.

Surgical interventions can immediately address structural issues but carry anesthesia risks and potential recurrence. The long-term cost-effectiveness of physical therapy exercises is approximately 70% lower than surgery, making it a first-line treatment. The most suitable approach should be selected based on the patient’s physiological status and treatment goals.

 

Frequently Asked Questions

Should the intensity of therapeutic exercises be adjusted based on individual physical capacity?

Yes, the intensity of therapeutic exercises should be individualized according to age, physical fitness, and health status. Therapists conduct initial assessments to design appropriate exercise intensity and frequency, avoiding overexertion that could cause muscle strains or joint injuries. It is recommended to maintain a principle of "mild fatigue without pain" during training and to communicate regularly with the therapist for adjustments.

Is it normal to experience muscle soreness during therapeutic exercises, and should I stop immediately?

Minor muscle soreness is normal and usually diminishes with adaptation. If pain is localized to joints rather than muscles, or if swelling or severe soreness occurs, training should be paused and a therapist consulted. Applying ice or heat may help alleviate symptoms. Do not force exercises if pain worsens, to prevent further injury.

How should I coordinate daily activities with the effectiveness of therapeutic exercises?

It is advisable to combine proper posture and moderate activity to enhance outcomes. For example, desk workers should perform shoulder and neck stretches every hour or strengthen core muscles to improve posture. Avoid taking hot showers or drinking cold beverages immediately after exercise, as this may affect muscle function.

How should follow-up assessments for therapeutic exercises be scheduled?

Therapy typically involves 3-6 phases, with functional evaluations (e.g., joint mobility, muscle strength tests) at the end of each phase. It is recommended to have a therapist assess exercise correctness every 4-6 weeks and adjust training accordingly. If symptoms worsen during treatment, a follow-up should be scheduled promptly.

What is the relationship between long-term effectiveness of therapeutic exercises and patient practice frequency?

Studies show that practicing 3-4 times weekly for 20-30 minutes each session results in symptom improvement rates of 75-85%. Lower practice frequency may delay or reduce efficacy. Incorporating exercises into daily routines, such as morning stretching or bedtime relaxation, can enhance overall outcomes.