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Resistance Exercise for Impaired Muscle Performance Chapter 6 Part II: Applied Science of Exercise and Techniques Copyright © 2013. F.A. Davis Company Muscle Performance and Resistance Exercise: Definitions and Guiding Principles Strength, Power, and Endurance – Strength • Strength training – Power • Power training – Endurance • Endurance training Copyright © 2013. F.A. Davis Company Muscle Performance and Resistance Exercise: Definitions and Guiding Principles (cont'd) Overload Principle – Description – Application of the Overload Principle SAID Principle – Specificity of training – Transfer of training Reversibility Principle Copyright © 2013. F.A. Davis Company Factors That Influence Tension Generation in Normal Skeletal Muscle Energy Stores and Blood Supply Fatigue – Muscle (local) fatigue – Cardiopulmonary (general) fatigue – Threshold for fatigue – Factors that influence fatigue Recovery From Exercise Copyright © 2013. F.A. Davis Company Factors That Influence Tension Generation in Normal Skeletal Muscle (cont'd) Age – Early childhood and preadolescence – Adolescence – Young and middle adulthood – Late adulthood Psychological and Cognitive Factors – Attention – Motivation and feedback Copyright © 2013. F.A. Davis Company Physiological Adaptations to Resistance Exercise Neural Adaptations Skeletal Muscle Adaptations – Hypertrophy – Hyperplasia – Muscle fiber type adaptation Copyright © 2013. F.A. Davis Company Physiological Adaptations to Resistance Exercise (cont'd) Vascular and Metabolic Adaptations Adaptations of Connective Tissues – Tendons, ligaments, and connective tissue in muscle – Bone Copyright © 2013. F.A. Davis Company Determinants of Resistance Exercise Alignment and Stabilization – Alignment • Alignment and muscle action • Alignment and gravity – Stabilization Copyright © 2013. F.A. Davis Company Determinants of Resistance Exercise (cont'd) Intensity – Submaximal versus maximal exercise loads – Initial exercise load (amount of resistance) and documentation of training effects • Repetition maximum – Use of repetition maximum • Alternative methods of determining baseline strength or an initial exercise load • Training zone Copyright © 2013. F.A. Davis Company Determinants of Resistance Exercise (cont'd) Volume – Repetitions – Sets – Training to improve strength or endurance: impact of exercise load and repetitions • To improve muscle strength • To improve muscle endurance Copyright © 2013. F.A. Davis Company Determinants of Resistance Exercise (cont'd) Exercise Order Frequency Duration Rest Interval (Recovery Period) – Purpose of rest intervals – Integration of rest into exercise Copyright © 2013. F.A. Davis Company Determinants of Resistance Exercise (cont'd) Mode of Exercise – Type of muscle contraction – Position for exercise: weight-bearing or nonweight-bearing – Forms of resistance – Energy systems – Range of movement: short-arc or full-arc exercise – Mode of exercise and application to function Copyright © 2013. F.A. Davis Company Determinants of Resistance Exercise (cont'd) Velocity of Exercise – Force-velocity relationship – Application to resistance training Periodization and Variation of Training Integration of Function – Balance of stability and active mobility – Balance of strength, power, and endurance – Task-specific movement patterns with resistance exercise Copyright © 2013. F.A. Davis Company Types of Resistance Exercise Static (Isometric) and Dynamic Concentric and Eccentric Isokinetic Open-Chain and Closed-Chain Manual and Mechanical Constant and Variable Copyright © 2013. F.A. Davis Company Manual and Mechanical Resistance Exercise Manual Resistance Exercise Mechanical Resistance Exercise Copyright © 2013. F.A. Davis Company Isometric Exercise (Static Exercise) Rationale for Use of Isometric Exercise Types of Isometric Exercise – Muscle-setting exercises – Stabilization exercises – Multiple-angle isometrics Copyright © 2013. F.A. Davis Company Isometric Exercise (Static Exercise) (cont'd) Characteristics and Effects of Isometric Training – Intensity of muscle contraction – Duration of muscle activation – Repetitive contractions – Joint angle and mode specificity – Sources of resistance Copyright © 2013. F.A. Davis Company Dynamic Exercise: Concentric and Eccentric Rationale for Use of Concentric and Eccentric Exercise Special Considerations for Eccentric Training – Exercise-induced muscle soreness Copyright © 2013. F.A. Davis Company Dynamic Exercise: Concentric and Eccentric (cont'd) Characteristics and Effects of Concentric and Eccentric Exercise – Exercise load and strength gains – Velocity of exercise – Energy expenditure – Specificity of training – Cross-training effect – Exercise-induced muscle soreness Copyright © 2013. F.A. Davis Company Dynamic Exercise: Constant and Variable Resistance Dynamic Exercise-Constant External Resistance (DCER) Variable-Resistance Exercise Special Considerations for DCER and VariableResistance Exercise – Excursion of limb movement – Velocity of exercise Copyright © 2013. F.A. Davis Company Isokinetic Exercise Characteristics of Isokinetic Training – Constant velocity – Range and selection of training velocities – Reciprocal versus isolated muscle training – Specificity of training – Compressive forces on joints – Accommodation to fatigue – Accommodation to a painful arc Copyright © 2013. F.A. Davis Company Isokinetic Exercise (cont'd) Training Effects and Carryover to Function – Limitations in carryover Special Considerations for Isokinetic Training – Availability of equipment – Appropriate set up – Initiation and progression of isokinetic training during rehabilitation Copyright © 2013. F.A. Davis Company Open-Chain and Closed-Chain Exercise Background Controversy and Inconsistency in Use of Open-Chain and Closed-Chain Terminology Alternatives to Open-Chain and Closed-Chain Terminology Characteristics of Open-Chain and Closed-Chain Exercises – Open-chain exercises – Closed-chain exercises Copyright © 2013. F.A. Davis Company Open-Chain and Closed-Chain Exercise (cont'd) Rationale for Use of Open-Chain and Closed-Chain Exercises – – – – – Isolation of muscle groups Control of movements Joint approximation Co-activation and dynamic stabilization Proprioception, kinesthesia, neuromuscular control, and balance – Carryover to function and injury prevention Copyright © 2013. F.A. Davis Company Open-Chain and Closed-Chain Exercise (cont'd) Implementation and Progression of Open- and Closed-Chain Exercises – Introduction of open-chain training – Closed-chain exercises and weight-bearing restrictions: use of unloading – Progression of closed-chain exercises Copyright © 2013. F.A. Davis Company General Principles of Resistance Training Examination and Evaluation Preparation for Resistance Exercises Copyright © 2013. F.A. Davis Company Implementation of Resistance Exercises Warm Up Placement of Resistance Direction of Resistance Stabilization Intensity of Exercise/Amount of Resistance Number of Repetitions, Sets, and Rest Intervals Verbal or Written Instructions Monitoring the Patient Cool Down Copyright © 2013. F.A. Davis Company Precautions for Resistance Exercise Valsalva Maneuver – At-risk patients – Prevention during resistance exercise Substitute Motions Overtraining and Overwork – Overtraining – Overwork Copyright © 2013. F.A. Davis Company Precautions for Resistance Exercise (cont'd) Exercise-Induced Muscle Soreness – Acute muscle soreness – Delayed-onset muscle soreness (DOMS) • Etiology of DOMS • Prevention and treatment of DOMS Pathological Fracture – Prevention of pathological fracture Copyright © 2013. F.A. Davis Company Contraindications to Resistance Exercise Pain Inflammation Severe Cardiopulmonary Disease Copyright © 2013. F.A. Davis Company Manual Resistance Exercise Definition and Use Guidelines and Special Considerations – – – – Body mechanics of the therapist Application of manual resistance and stabilization Verbal commands Number of repetitions and sets: rest intervals Techniques: General Background Upper Extremity Techniques Lower Extremity Techniques Copyright © 2013. F.A. Davis Company Proprioceptive Neuromuscular Facilitation: Principles and Techniques Diagonal Patterns Basic Procedures With PNF Patterns – Manual contacts – Maximal resistance – Position and movement of the therapist – Stretch • Stretch stimulus • Stretch reflex Copyright © 2013. F.A. Davis Company Proprioceptive Neuromuscular Facilitation: Principles and Techniques (cont'd) Basic Procedures With PNF Patterns (cont’d) – Normal timing – Traction – Approximation – Verbal commands – Visual cues Copyright © 2013. F.A. Davis Company Proprioceptive Neuromuscular Facilitation: Principles and Techniques (cont'd) Upper Extremity Diagonal Patterns Lower Extremity Diagonal Patterns Specific Techniques With PNF – Rhythmic initiation – Repeated contractions – Reversal of antagonists – Alternating isometrics – Rhythmic stabilization Copyright © 2013. F.A. Davis Company Mechanical Resistance Exercise Application in Rehabilitation Programs Application in Fitness and Conditioning Programs Special Considerations for Children and Older Adults – Children and resistance training – Older adults and resistance training Copyright © 2013. F.A. Davis Company Selected Resistance Training Regimens Progressive Resistance Exercise – Delorme and Oxford regimens – DAPRE regimen Circuit Weight Training Copyright © 2013. F.A. Davis Company Selected Resistance Training Regimens (cont'd) Isokinetic Regimens – Velocity spectrum rehabilitation • Selection of training velocities • Repetitions, sets, and rest • Intensity – Eccentric isokinetic training: special considerations Copyright © 2013. F.A. Davis Company Equipment for Resistance Training Free Weights and Simple Weight-Pulley Systems – Types of free weights – Simple weight-pulley systems – Characteristics of free weights and simple weightpulley systems – Advantages and disadvantages of free weights and simple weight-pulley systems Copyright © 2013. F.A. Davis Company Equipment for Resistance Training (cont'd) Variable-Resistance Machines – Variable resistance weight-cable systems – Hydraulic and pneumatic resistance devices – Advantages and disadvantages of variableresistance machines Copyright © 2013. F.A. Davis Company Equipment for Resistance Training (cont'd) Elastic Resistance Devices – Types of elastic resistance – Properties of elastic resistance: implications for exercise • Effect of elongation of elastic material • Determination and quantification of resistance • Fatigue characteristics Copyright © 2013. F.A. Davis Company Equipment for Resistance Training (cont'd) Elastic Resistance Devices (cont’d) – Application of elastic resistance • • • • • Selecting the appropriate grade of material Selecting the appropriate length Securing bands or tubing Setting up an exercise Progressing exercises – Advantages and disadvantages of exercise with elastic resistance Copyright © 2013. F.A. Davis Company Equipment for Resistance Training (cont'd) Equipment for Dynamic Stabilization Training – BodyBlade® – Swiss balls (stability balls) Copyright © 2013. F.A. Davis Company Equipment for Resistance Training (cont'd) Equipment for Closed-Chain Training – Body weight resistance: multipurpose exercise systems – Slide boards – Balance equipment – Mini-trampolines (rebounders) Copyright © 2013. F.A. Davis Company Equipment for Resistance Training (cont'd) Reciprocal Exercise Equipment – Stationary exercise cycles – Portable resistive reciprocal exercise units – Stair-stepping machines – Elliptical trainers and cross-country ski machines – Upper extremity ergometers Copyright © 2013. F.A. Davis Company Equipment for Resistance Training (cont'd) Isokinetic Testing and Training Equipment – Features of isokinetic dynamometers – Advantages and disadvantages of isokinetic equipment Copyright © 2013. F.A. Davis Company Independent Learning Activities Critical Thinking and Discussion Laboratory Practice Copyright © 2013. F.A. Davis Company