Functional Mobility & Task Analysis

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Questions and Answers

Which of the following is the MOST appropriate initial step in task analysis?

  • Break down the activity into smaller components. (correct)
  • Identify potential environmental barriers.
  • Evaluate the quality of movement.
  • Assess individual's motivation to perform the task.

A physical therapist is analyzing a patient's gait. Which aspect aligns with evaluating demands during 'Task Analysis'?

  • Measuring the length of the patient's steps. (correct)
  • Identifying the patient's preferred walking speed.
  • Determining the cognitive effort required for the patient to walk.
  • Observing the symmetry of arm swing.

What is the primary focus when 'evaluating the quality' during a task analysis of upper extremity reach?

  • Measuring the distance the patient can reach.
  • Assessing the strength required to complete the reach.
  • Timing how quickly the patient can reach the target.
  • Observing the smoothness and coordination of the reach. (correct)

In what ways do running, galloping, and skipping differ from other forms of functional mobility?

<p>They involve a higher level of coordination and balance. (D)</p> Signup and view all the answers

Which of the following best describes the role of 'accurate observation' in critical skills for movement analysis?

<p>Gathering detailed and unbiased information about the movement. (A)</p> Signup and view all the answers

During assessment, how does the recognition of environmental demands contribute to a therapist's understanding of a patient’s mobility?

<p>It reveals how external factors affect the patient’s movement strategies. (D)</p> Signup and view all the answers

Which question is MOST relevant when analyzing the 'normal requirements' of a sit-to-stand transfer?

<p>What are the typical joint ranges and muscle activation patterns needed? (D)</p> Signup and view all the answers

What is the MOST important factor when questioning 'how successful was the movement' during a Task Analysis?

<p>Whether the patient completed the task safely and efficiently. (D)</p> Signup and view all the answers

During task analysis, why is it important to consider 'Environmental Factors'?

<p>To address external conditions that may assist or hinder performance. (C)</p> Signup and view all the answers

Analyzing a patient’s ability to turn and reach for an object involves assessing their key aspects of mobility. Which aspect is directly associated with maintaining balance while turning?

<p>Strategies utilized. (D)</p> Signup and view all the answers

When evaluating the 'level and type of assistance' during ambulation, what does this analysis primarily reveal?

<p>The degree to which the patient can perform the task independently. (B)</p> Signup and view all the answers

When assessing 'environmental constraints' on mobility, which considers an extrinsic factor?

<p>Uneven terrain. (A)</p> Signup and view all the answers

Which component of static postural control is MOST affected by a narrow base of support?

<p>Position and stability of the BOS. (B)</p> Signup and view all the answers

Loss of balance during quiet standing is MOST directly related to:

<p>Center of Mass exceeding Base of Support. (B)</p> Signup and view all the answers

Compensatory strategies using the extremities during a balance task would MOST likely indicate:

<p>Diminished reliance on ankle strategies. (D)</p> Signup and view all the answers

Which activity exemplifies 'dynamic postural control'?

<p>Walking on a treadmill with changing speeds. (A)</p> Signup and view all the answers

What does the ability to modify the base of support during movement directly affect?

<p>Maintenance of stability during transitions. (B)</p> Signup and view all the answers

Which component describes range and degree of control of the segments?

<p>Individual constraints. (D)</p> Signup and view all the answers

Which of the following BEST describes the 'Progression' component of movement requirements?

<p>Ability to produce a sequence of coordinated movements. (B)</p> Signup and view all the answers

What element is primarly addressed by 'Stability-Postural control' when considering movement requirements?

<p>Maintaining balance while changing positions. (A)</p> Signup and view all the answers

A patient is learning to walk on a moving bus. Which movement requirement is MOST challenged?

<p>Adaptation. (B)</p> Signup and view all the answers

During stair climbing, concentric muscle contractions are primarily utilized for:

<p>Ascending the stairs. (A)</p> Signup and view all the answers

Controlling the COM within a constantly changing BOS during stair climbing falls under which category?

<p>Stability-Postural Control. (A)</p> Signup and view all the answers

Adapting to different environments, such as varying step height during stair climbing, relates to:

<p>Meeting changing demands. (B)</p> Signup and view all the answers

What statement reflects the purpose of task analysis in rehabilitation?

<p>To evaluate movement and inform intervention strategies. (C)</p> Signup and view all the answers

What critical skill is the MOST important aspect of task analysis?

<p>Accurate observation. (A)</p> Signup and view all the answers

Which represents the correct ordering of stages of movement?

<p>Initial Conditions, Preparation, Initiation, Execution, Termination. (C)</p> Signup and view all the answers

In the 'Initial Conditions' stage of movement analysis, what factor is directly related to a patient's clothing?

<p>Restrictions to movement. (D)</p> Signup and view all the answers

During the 'Preparation' stage of movement, what is the PRIMARY focus?

<p>Selecting an appropriate response. (A)</p> Signup and view all the answers

In the 'Initiation' stage of movement, what assessment provides insight into movement strategy?

<p>Initial weight shift. (C)</p> Signup and view all the answers

During the 'Execution' stage of movement, which element is assessed as a method of evaluating the quality of motor control?

<p>Smoothness. (D)</p> Signup and view all the answers

During the 'Termination' stage of movement, proper ending alignment directly impacts:

<p>Stability for subsequent movements. (C)</p> Signup and view all the answers

When modifying tasks to be 'Less Challenging,' what adjustment to the 'Base of Support' would be appropriate?

<p>Increasing the support surface area. (B)</p> Signup and view all the answers

To make a balance task 'More Challenging,' which change to 'Environmental Inputs' would be suitable?

<p>Closing the patient's eyes. (D)</p> Signup and view all the answers

Which component best highlights an Initial Condition when analyzing a 'sit to stand'?

<p>Starting position. (C)</p> Signup and view all the answers

Flashcards

What is Task Analysis?

Breaking down an activity to evaluate its demands and quality.

Functional Mobility

There are many ways we move from one place to another.

Mobility Skills: Influences

Factors affecting mobility performance: task, environment, and individual constraints.

Critical Skills

Accurate observation, recognizing barriers, awareness of environmental demands.

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Key Aspects of Mobility

Ability to initiate, utilize strategies, level of assistance, terminate movement, consider environmental constraints.

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Key Aspects of Stability/Static Postural Control

Position and stability of BOS, COM within BOS, posture, balance, compensation, assistance, environmental considerations.

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Dynamic Postural Control: Key Aspects

Ability to modify base of support during movement, range and degree of control, and environmental constraints.

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Movement Requirements: Key Components

Progression, stability-postural control, and adaptation.

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Stair Climbing Requirement 1

Primarily concentric forces for ascent and eccentric forces for descent.

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Stair Climbing Requirement 2

Controlling COM within a constantly changing BOS.

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Stair Climbing Requirement 3

Adapting to changing environments

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Task Analysis Overview

Breaks down a task to evaluate, considers critical skills (observation, barriers, demands), involves constant questioning.

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Original Conceptual Framework

What is the problem, where does it interfere, underlying determinants, and treatment.

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Stages of Movement

Initial conditions, preparation, initiation, execution, termination and the outcome of the movement

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Sit to Stand: Initial Conditions

Starting posture, environment, comprehension.

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Sit to Stand: Initiation

Weight shift, sequencing.

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Sit to Stand: Execution

Head, trunk, limbs symmetrical, amplitude.

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Sit to Stand: Termination

Center of mass within base of support.

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Reaching: Initial Conditions

Erect sitting posture, shoulder-width foot position.

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Reaching: Initiation

Flex arm with extended elbow/wrist, rotate head.

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Reaching: Execution

Anterior-diagonal weight shift, grasp box/place on thigh.

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Reaching: Termination

COM within BOS, no significant sway.

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Stair Descent: Initial Conditions

Erect posture, shoulder-width feet, with tennis shoes.

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Stair Descent: Initiation

Weight shift, hip flexion, knee extension, ankle DF.

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Stair Descent: Execution

Eccentric ankle control, arm swing, knee stability.

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Stair Descent: Termination

COM within BOS, continuing to walk.

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Study Notes

  • Analyzing normal movement in functional tasks requires the Temporal Sequence of Movement
  • Task analysis involves applying factors related to the:
    • Individual
    • Task
    • Environment
  • Movement analysis characteristics are integrated into task analysis

Functional Mobility

  • Mobility includes bed mobility
  • Mobility includes crawling/creeping
  • Mobility includes transfers
  • Mobility includes walking
  • Mobility includes running/galloping/skipping

Task Analysis Aspects

  • Breaking down activity
  • Evaluating demands
  • Evaluating the quality

Influences on Mobility Skills

  • Task constraints
  • Environmental constraints
  • Individual constraints

Critical Skills

  • Accurate observation
  • Recognizing barriers
  • Environmental demands

Guiding Questions

  • What are the normal requirements?
  • How successful was the movement?
  • What are the environmental factors?

Key Aspects of Mobility

  • Ability to initiate movements
  • Strategies utilized
  • Level and type of assistance
  • Ability to terminate movement
  • Environmental constraints

Key Aspects of Stability/Static Postural Control

  • Position and stability of the base of support
  • Center of mass within the base of support
  • Posture
  • Loss of balance
  • Added compensation from the extremities
  • Assistance provided
  • Environmental constraints

Key Aspects of Dynamic Postural Control

  • Ability to modify base of support during movement
  • Range and degree of control of the segments
  • Environmental constraints

Movement Requirements

  • Key components include:
    • Progression
    • Stability-postural control
    • Adaptation

Mobility: Stair Climbing

  • Three main requirements in stair climbing:
    • Primarily concentric forces for ascent and eccentric forces for descent (progression)
    • Controlling COM within a constantly changing base of support (stability- postural control)
    • Controlling stair climbing with changing environments, i.e., rails, height or number of steps (adaptability)

Summary of Task Analysis

  • Task analysis breaks down a task to evaluate it.
  • This involves accurate observation and the recognition of barriers/environmental demands.
  • Requires constant questioning
  • Documentation must be:
    • Concise
    • Pertinent information

Original Conceptual Framework Questions

  • What is the problem?
  • Where in the movement continuum does the problem interfere with function?
  • What are the underlying determinants of the problem?
  • How do we treat the problem?

Stages of Movement

  • Stages include Initial Condition, Preparation, Initiation, Execution, Termination and desired Outcome is Achieved
  • Initial Conditions
    • Considering patient starting position, posture, alignment, BOS, limbs, clothing and shoes
  • Preparation
    • Involves stimulus identification, response selection, and response programming
  • Initiation
    • Where is movement initiated in the body?
    • What is the initial weight shift?
    • Timing
  • Execution
    • Considering the direction, amplitude, speed, and smoothness of the movement.
    • What occurs at the head, trunk, and limbs?
    • Need to consider musculoskeletal components such as ROM, strength, flexibility
  • Termination
    • Ending alignment
    • Were they successful?
    • Are they ready for the next transition movement?
    • Timing, Stability, Accuracy and consideration of Ending BOS

Task and Environment Modification

  • Tasks can be modified to be less or more challenging
  • Less challenging base of support: Increased
  • More challenging base of support: Decreased

Updated Movement Analysis Framework

  • Includes:
    • Task progression
    • Task regression

Analysis Apps

  • Mobile applications can provide immediate video feedback.

Summary of Movement Stages:

  • This includes:
    • Initial conditions related to the environment and individual
    • Preparation - motor control
    • Initiation - first movement a segment moves
    • Execution - actual movement
    • Termination - when the movement stops
    • Desired outcome - success

Sit to Stand Task Analysis

  • Phase I: Flexion Momentum (Flexor)
  • Phase II: Momentum Transfer (Lift-Off, Max Dorsiflexion)
  • Phase III: Extension (Extension)
  • Phase IV: Stabilization (Stabilizing, Stable)

Sit to Stand - Task Analysis

  • Initial Conditions: Proper erect sitting posture, mild forward head, and shoulder-width foot position and hips at back edge of standard chair, quiet well-lit environment with stable backed chair and hard, even surfaces
  • Preparation: Comprehension of task with normal response time
  • Initiation: Symmetrical forward weight shift without lag in speed is visible with proper sequencing where bilateral feet are positioned posterior to knees
  • Execution: Head, trunk, and limbs remained symmetrical with appropriate amplitude for transition with adequate range of motion. Arms remained on lap throughout without assistance required
  • Termination: Center of mass is noted to be within base of support in standing with no significant sway observed
  • Outcome: Successful sit to stand without movement abnormalities

Reaching - Task Analysis

  • The individual should present seated on a firm mat with neutral positioning in a quiet environment
  • Individuals completed independent weight shifting

Stair Climbing - Task Analysis

  • Three main components requirements for it are: -progression -stability -adaptability

Summary- Task/Analysis

  • It is important to recognize the stages of the task.
  • In order to provide a concise version, you need to document it in objective terms
  • Utilize the task analysis framework, considering different conditions and outcomes

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