Occupational Therapy

Intermediate

Occupational therapy (OT) is a client-centered health profession concerned with promoting health and well-being through occupation. The primary goal of occupational therapy is to enable people to participate in the activities of everyday life. Occupational therapists achieve this outcome by working with individuals and communities to enhance their ability to engage in the occupations they want to, need to, or are expected to do, or by modifying the occupation or the environment to better support their occupational engagement. The word 'occupation' in this context refers not only to jobs or employment but to all meaningful activities a person performs throughout the day, including self-care, leisure, play, education, and social participation.

The profession is grounded in the belief that engagement in meaningful activities is essential to human health and well-being. Occupational therapists use a holistic approach, considering the physical, psychological, social, and environmental factors that affect a person's ability to function. They work with people across the lifespan, from premature infants in neonatal intensive care units to older adults in skilled nursing facilities. Common areas of practice include rehabilitation after injury or surgery, support for children with developmental delays or disabilities, mental health interventions, ergonomic workplace assessments, and adaptive equipment prescription. The profession draws on knowledge from anatomy, neuroscience, psychology, and sociology to create evidence-based interventions.

Occupational therapy was formally established during World War I, when reconstruction aides used purposeful activities to help wounded soldiers recover both physically and psychologically. The profession has since evolved significantly, expanding into areas such as driver rehabilitation, assistive technology, hand therapy, low vision rehabilitation, and community-based practice. Today, occupational therapists practice in hospitals, outpatient clinics, schools, home health agencies, community programs, and corporate settings. In most countries, entry-level practice requires a master's or doctoral degree, and practitioners must pass a national certification examination and maintain licensure. The profession is guided by theoretical frameworks such as the Model of Human Occupation (MOHO), the Person-Environment-Occupation (PEO) model, and the Occupational Therapy Practice Framework (OTPF) published by the American Occupational Therapy Association.

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Key Concepts

In occupational therapy, 'occupation' refers to all the meaningful activities that fill a person's time, including activities of daily living, instrumental activities of daily living, education, work, play, leisure, rest, sleep, and social participation. It is the core concept upon which the entire profession is built.

Example

For a child, occupations include playing with toys, dressing independently, and participating in school activities. For an adult recovering from a stroke, occupations might include cooking meals, returning to work, and driving.

Basic self-care tasks that are fundamental to caring for one's own body, including bathing, dressing, grooming, toileting, eating, functional mobility, and personal hygiene. ADLs are a primary focus of occupational therapy intervention.

Example

An occupational therapist teaches a patient with a hip replacement how to use a long-handled reacher and sock aid to dress the lower body without bending past 90 degrees.

A widely used occupational therapy conceptual practice model developed by Gary Kielhofner that explains how people are motivated toward occupation (volition), organize occupation into patterns (habituation), and perform occupation through skills and the influence of the environment.

Example

Using MOHO, a therapist assesses that a client's decreased volition (lack of interest in hobbies after depression) is the primary barrier to occupational engagement, and designs interventions targeting motivation and values exploration.

A transactive model that describes the dynamic relationship between the person, their environment, and their occupations. Occupational performance is optimal when there is a strong fit among all three components. Therapy can target any or all components.

Example

For a wheelchair user who cannot access the kitchen counter, the therapist may modify the environment (install a lower counter), adapt the occupation (use a one-handed cutting board), or build the person's skills (strengthen trunk control for reaching).

The official document published by the American Occupational Therapy Association (AOTA) that describes the domain and process of occupational therapy. It outlines the areas of occupation, client factors, performance skills, performance patterns, and contexts that therapists consider during evaluation and intervention.

Example

When documenting a treatment plan, an OT references the OTPF to categorize the client's goals by occupation area (e.g., ADLs, IADLs, work) and identify relevant client factors (e.g., muscle strength, emotional regulation).

A systematic process used by occupational therapists to break down an activity into its component parts, including the physical, cognitive, sensory, and social demands required for performance. This analysis guides intervention planning and activity adaptation.

Example

Before teaching a client with a traumatic brain injury to prepare a simple meal, the therapist analyzes the task demands: standing tolerance, bilateral hand coordination, sequencing steps, managing hot surfaces, and attending to timing.

Devices, tools, or modifications designed to help individuals perform daily activities more independently when physical, cognitive, or sensory limitations are present. Recommending and training clients in adaptive equipment is a core OT skill.

Example

An occupational therapist prescribes a built-up handle spoon and a plate guard for a client with rheumatoid arthritis, then trains the client in their use to promote independent eating.

A neurological process that organizes sensation from the body and the environment, making it possible to use the body effectively within the environment. Sensory integration therapy, developed by A. Jean Ayres, addresses difficulties in processing and responding to sensory input.

Example

A child with autism spectrum disorder who is hypersensitive to touch and avoids messy play receives OT using a sensory integration approach, gradually introducing varied textures in a supportive, playful environment.

A collaborative approach in which the therapist respects and responds to the client's values, preferences, and expressed needs. The client actively participates in goal setting and treatment planning. It is a foundational philosophy of occupational therapy.

Example

Rather than assigning generic rehabilitation goals, the therapist asks a client recovering from a hand injury what activities matter most to them. The client identifies guitar playing, so therapy goals are structured around regaining the finger dexterity and strength needed to play.

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Curriculum alignment— Standards-aligned

Grade level

College+

Learning objectives

•Apply activity analysis frameworks to adapt therapeutic interventions for clients with physical and cognitive impairments
•Evaluate standardized assessments used to measure functional performance in self-care, work, and leisure occupations
•Design client-centered treatment plans that incorporate assistive technology and environmental modifications for independence
•Analyze the theoretical models of occupation including MOHO, PEO, and CMOP-E and their clinical applications

Recommended Resources

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Books

Willard and Spackman's Occupational Therapy

by Barbara A. Boyt Schell & Glen Gillen

Pedretti's Occupational Therapy: Practice Skills for Physical Dysfunction

by Heidi McHugh Pendleton & Winifred Schultz-Krohn

Kielhofner's Model of Human Occupation: Theory and Application

by Renee R. Taylor

Occupational Therapy for Children and Adolescents

by Jane Case-Smith & Jane Clifford O'Brien

Sensory Integration: Theory and Practice

by Anita C. Bundy & Shelly J. Lane

Courses

Introduction to Occupational Therapy

CourseraEnroll

Occupational Therapy: Activity Analysis

edXEnroll

Foundations of Occupational Therapy Practice

UdemyEnroll

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Occupational Therapy

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Glossary

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Key Concepts

Occupation

Activities of Daily Living (ADLs)

Instrumental Activities of Daily Living (IADLs)

Model of Human Occupation (MOHO)

Person-Environment-Occupation (PEO) Model

Occupational Therapy Practice Framework (OTPF)

Activity Analysis

Adaptive Equipment / Assistive Technology

Sensory Integration / Sensory Processing

Client-Centered Practice

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Grade level

Learning objectives

Recommended Resources

Books

Willard and Spackman's Occupational Therapy

Pedretti's Occupational Therapy: Practice Skills for Physical Dysfunction

Kielhofner's Model of Human Occupation: Theory and Application

Occupational Therapy for Children and Adolescents

Sensory Integration: Theory and Practice

Courses

Introduction to Occupational Therapy

Occupational Therapy: Activity Analysis

Foundations of Occupational Therapy Practice

Related Topics

Physical Therapy

Speech Therapy

Rehabilitation Services

Developmental Psychology

Neuroanatomy

Pediatrics

Mental Health

Occupational Health