Related Experiment Video
Updated: May 29, 2026

08:21
Non-invasive Assessments of Subjective and Objective Recovery Characteristics Following an Exhaustive Jump Protocol
Published on: June 8, 2017
Sport-specific power assessment for rock climbing
N Draper1, T Dickson, G Blackwell
1School of Sciences and Physical Education, University of Canterbury, Christchurch, Canterbury, New Zealand. nick.draper@canterbury.ac.nz
The Journal of Sports Medicine and Physical Fitness
|September 10, 2011
Summary
The narrow grip powerslap test effectively measures rock climbing power, showing a strong correlation with climber ability and proving to be a reliable performance indicator for the sport.
Area of Science:
- Sports Science
- Climbing Biomechanics
Background:
- Rock climbing's increasing popularity necessitates sport-specific performance metrics.
- Current performance measures in rock climbing lack specificity.
- The need for a validated, sport-specific power assessment tool is evident.
Purpose of the Study:
- To evaluate the powerslap test as a sport-specific measure of power in rock climbing.
- To determine the validity and reliability of the powerslap test across different climbing abilities.
Main Methods:
- Participants were grouped into novice, intermediate, advanced, and elite climbers based on self-reported lead grades.
- The powerslap test was administered using wide and narrow grip variations on both sides of the body.
- Climbers performed a pull-up movement from full extension, releasing one hand to slap a scaled scoreboard.
Main Results:
- Powerslap scores demonstrated significant correlations with climbing ability across all grip variations (r values ranging from 0.69 to 0.73, P<0.0005).
- The narrow grip powerslap test scores significantly differentiated between climbing ability groups (P<0.0005).
- Intra-class correlation and limits of agreement confirmed the powerslap test's reliability as a performance measure.
Conclusions:
- The narrow grip variation of the powerslap test is a valuable and sport-specific tool for assessing climbing power.
- The test is directly related to climbing performance and can reliably differentiate between skill levels.
Related Concept Videos
Power
The concept of work involves force and displacement; meanwhile, the work-energy theorem relates the net work done on a body to the difference in its kinetic energy, calculated between two points on its trajectory. While none of these quantities or relations involves time explicitly, we know that the time available to accomplish work is often just as important as the amount of work itself. For example, sprinters in a race may have achieved the same velocity at the finish, therefore,...
Conservation of Energy: Application
When solving problems using the energy conservation law, the object (system) to be studied should first be identified. Often, in applications of energy conservation, we study more than one body at the same time. Second, identify all forces acting on the object and determine whether each force doing work is conservative. If a non-conservative force (e.g., friction) is doing work, then mechanical energy is not conserved. The system must then be analyzed with non-conservative work. Third, for...

