Related Experiment Video
Updated: Mar 10, 2026
07:44
Construction of Constant-Load (Isotonic) and Constant-Velocity (Isokinetic) Torque-Velocity-Power Profiles In vivo for the Rat Plantar Flexors
Published on: October 3, 2025
767
Changes in the Force-Velocity Mechanical Profile After Short Resistance Training Programs Differing in Set
Eliseo Iglesias-Soler1, Miguel Fernández-Del-Olmo1, Xián Mayo1
11 University of A Coruna.
Journal of Applied Biomechanics
|December 6, 2016
Summary
This study found that resistance training set configuration impacts mean velocity but not strength adaptations. Focusing on maximum intended velocity, not actual velocity, is key for short-term strength gains.
Area of Science:
- Biomechanics
- Exercise Physiology
- Sports Science
Background:
- Understanding the impact of resistance training set configurations on mechanical force-velocity profiles is crucial for optimizing training outcomes.
- Previous research has explored various training variables, but the specific effects of set configuration on force-velocity dynamics require further investigation.
Purpose of the Study:
- To analyze the effect of two distinct resistance training set configurations (traditional vs. interrepetition rest) on mechanical force-velocity profiles.
- To determine if differences in training velocity between configurations influence strength adaptations.
Main Methods:
- Thirteen participants completed a 5-week unilateral knee extension program with randomized set configurations: traditional (4x8 reps) or interrepetition rest (32x1 rep).
- Repetition velocity was recorded throughout, and individual linear force-velocity relationships were calculated pre- and post-training.
- Key parameters analyzed included force/velocity intercepts, slope, and estimated maximum power.
Main Results:
- Interrepetition rest resulted in higher mean training velocity compared to the traditional configuration (P < .001).
- Both protocols led to significant increases in force and velocity intercepts and a steeper negative slope (P < .001).
- No significant differences in adaptations were observed between the training configurations.
Conclusions:
- Short-term resistance training adaptations are not significantly affected by differences in set configuration velocity.
- Maximizing intended velocity, rather than actual velocity, appears to be the critical factor for modulating strength adaptations in the short term.
More Related Videos
07:30Muscle Imbalances: Testing and Training Functional Eccentric Hamstring Strength in Athletic Populations
Published on: May 1, 2018
16.0K
12:59Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People
Published on: July 5, 2017
13.3K
Related Concept Videos
01:27Exercise and Muscle Performance
2.9K
Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
2.9K
01:22Muscle Stimulation Frequency
4.9K
The contraction strength of muscles is regulated by motor neurons, which modulate the frequency of action potentials dispatched to the motor units based on the body's requirements. This process of varying the muscle stimulation frequency allows muscles to contract with a force that is precisely tailored to the needs of the moment, whether lifting a feather or a heavy box.
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
4.9K
01:19Impact Loading
789
Impact loading occurs when a moving object collides with a stationary structure, such as a rod with a uniform cross-sectional area fixed at one end. Under these conditions, the rod absorbs the kinetic energy from the striking object, leading to deformation and subsequent stress development. As the rod returns to its original position and reaches maximum stress, the absorbed energy, initially manifested as kinetic energy, transforms entirely into strain energy.
In cases of elastic deformation,...
In cases of elastic deformation,...
789
01:20Exercise and Cardiovascular Response
4.8K
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
4.8K
00:57Power Expended by a Constant Force
9.3K
The relationship between work done and the time taken to do it can be explained using the concept of power. For example, several sprinters in a race may have the same velocity when they reach the finish line, therefore doing the same amount of work, but the winner does it in the least amount of time. Thus, power is defined as the rate of doing work. Since work can vary as a function of time, the average power is defined as the work done during a time interval, divided by the time interval.
9.3K
01:10Work and Energy for Variable Forces
5.9K
When an object is acted upon by a variable force, the amount of work done and the change in energy of the object can be more complex to calculate compared to when a constant force is applied. Work is the product of force and displacement, while energy is the capacity of a system to do work. When a constant force is applied to an object, the work done can be calculated as the product of the force and the distance moved in the direction of the force. However, when a variable force is applied, the...
5.9K