Daniels and Worthingham's Muscle Testing: Techniques of Manual Muscle and Physical Performance Testing, (Hardcover)

**2026 Textbook and Academic Authors Association (TAA) McGuffey Longevity Award Winner**

Daniels and Worthingham's Muscle Testing, 11th Edition offers the clear information needed to master procedures and enhance clinical decision making in manual muscle testing and performance testing. Comprehensive discussion of the value of strength testing with clear, illustrated instructions provide a detailed guide to patient positioning, clinician instructions, and application of skill. In addition to updated muscle testing of normal individuals and others with weakness or paralysis, this edition includes updated information on alternative strength and performance tests for all adult populations. Updated comprehensive coverage for muscle dynamometry and ideal exercises enhances this texts' relevance for today's clinician. An eBook version included with print purchase provides access to all the text, figures, and references, with the ability to search, customize content, make notes and highlights, and have content read aloud.

• Drawings and arrows, along with clear written directions, make it easy to understand and perform muscle testing procedures to assess deficits in strength, balance, and range of motion
• More than 500 illustrations clearly show testing sequences, muscle anatomy, and muscle innervation
• Content on the muscle dynamometer and muscle dynamometry data introduces you to muscle dynamometry, including muscle dynamometer methods and results with each muscle
• Ideal exercises for selected muscles thoroughly explain procedures based on the literature
• Chapter on functional performance testing covers functional strength testing in older adults and those with functional decline, and testing muscle performance in various clinical settings
• Chapter on strength testing for active populations includes a variety of tests appropriate for many settings with reference data for comparison
• Chapters on manual muscle testing address how to enhance the reliability and validity of manual muscle testing and other practical considerations of manual muscle testing
• Details of muscle anatomy and innervation help in linking muscle topography with function
• Clinical Relevance and Substitutions boxes provide additional tips and highlight muscle substitutions that may occur during a test to ensure greater accuracy
• A constant reference number clearly identifies each muscle in the body, indexed in the Alphabetical List of Muscles by Region as well as in the Ready Reference Anatomy chapter in the eBook included with print purchase, to speed cross-referencing and help you quickly identify any muscle

• Updated content throughout provides the most current information needed to be an effective practitioner
• Updated references ensure content is current and applicable for today