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The AxIT System

Uncategorized Mar 16, 2019

Every great invention started out as an idea. Find out how Strength by Numbers Started and how the AxIT System was established. 

Stop guessing and start measuring in your assessment. 

Go to http://www.strengthbynumbers.com to book an AxIT Discovery Session to find out how AxIT can help you help more people today. 

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Relationship of Isometric Mid-Thigh Pull Variables to Weightlifting Performance

research Mar 16, 2019

Twelve weightlifters, ranging from novice to advanced, performed the IMTP 10 days after a competition. Correlations were used to evaluate relationships between variables of the IMTP and absolute and scaled competition results.

Unscaled competition results correlated strongly with IRFD (0-200ms: r=0.567-0.645, 0-250ms: r=0.722-0.781) while results correlated weakly with Peak IRFD (5ms window, r=0.360-0.426). Absolute peak force values correlated very strongly with absolute values for the competition performance (r=0.830-0.838). Force at 100ms, 150ms, 200ms and 250ms also correlated strongly with competition results (r=0.643-0.647, r=0.605-0.636, r=0.714-0.732, r=0.801-0.804). Similar findings were noted for allometrically scaled values.

Measures of average IRFD probably represent a more relevant variable to dynamic performance than does Peak IRFD (5ms). Maximum isometric strength also is likely to have a strong role in weightlifting performance.

 

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How Long Does Your Stomp-IT Force Plates last?

Uncategorized Mar 15, 2019

Things you will have done by the time you need to recharge your Stomp-IT Force Plates.
Charged your phone x 39 times
Filled up car with petrol x 4 times
Gone to the supermarket x 6 times
Paid your rent x 1
Coffees consumed x 78+
Meals consumed x 117+
May or may not of gone to the gym x 100 times
AxIT System tests delivered x 1000+ times
Client consultations x 351+ times

Stomp-ITs long lasting battery life means it’s always ready to go when you are whether that be in your facility or taking it on the road to help measure performance and identify imbalances with the people you work with. 

Find out more about how Stomp-IT is the force plate you’ve been looking for to help the people you work with. Go to http://www.strengthbynumbers.com to book an AxIT Discovery Session today. 


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Forward Lunge as a Functional Performance Test in ACL Deficient Subjects: Test–Retest Reliability

research Mar 15, 2019

The forward lunge movement may be used as a functional performance test of anterior cruciate ligament (ACL) deficient and reconstructed subjects. The purposes were 1) to determine the test–retest reliability of a forward lunge in healthy subjects and 2) to determine the required numbers of repetitions necessary to yield satisfactory reliability. Nineteen healthy subjects performed four trials of a forward lunge on two different days. The movement time, impulses of the ground reaction forces (IFz, IFy), knee joint kinematics and dynamics during the forward lunge were calculated. The relative reliability was determined by calculation of Intraclass Correlation Coefficients (ICC). The IFz, IFy and the positive work of the knee extensors showed excellent reliability (ICC > 0.75). All other variables demonstrated acceptable reliability (0.4 > ICC < 0.75). The relative reliability increased when more than a single forward lunge was used. In...

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Effects of Gender and Foot-Landing Techniques on Lower Extremity Kinematics during Drop-Jump Landings

research Mar 14, 2019

 3-D kinematics were collected on 50 (25 male and 25 female) college-age recreational athletes selected from a sample of convenience. Separate repeated-measures ANOVAs were used to analyze each variable at three time instants (initial contact, peak vertical ground reaction force, and maximum knee flexion angle). There were no significant differences found between genders at the three instants for each variable. At initial contact, the forefoot technique (35.79° ± 11.78°) resulted in significantly (p = .001) less hip flexion than did the self-preferred (41.25° ± 12.89°) and rear foot (43.15° ± 11.77°) techniques. At peak vertical ground reaction force, the rear foot technique (26.77° ± 9.49°) presented significantly lower (p = .001) knee flexion angles as compared with forefoot (58.77° ± 20.00°) and self-preferred (54.21° ± 23.78°) techniques. A significant difference for knee...

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Fatigue Alters Lower Extremity Kinematics During a Single-Leg Stop-Jump Task

research Mar 13, 2019

Thirty healthy, physically active subjects (15 males and 15 females) Knee and hip joint kinematics were calculated utilizing three-dimensional video analysis. Each subject performed five single-leg stop-jumps before and after an exercise-to-fatigue bout. All subjects underwent a fatigue protocol using the modified Astrand protocol. Fatigue was verified using the Rating of Perceived Exertion along with the subject’s heart rate. All data were analyzed using two factor (test × gender) repeated measures ANOVA (< 0.05). Both males and females demonstrated significantly less maximal knee valgus (P = 0.038) and decreased knee flexion at initial contact (= 0.009) post-fatigue. No significant differences were identified in hip joint angles between sessions or between sexes.

The results show that fatigue developed from exhaustive running alters lower extremity kinematics during a single-leg stop-jump task. The more neutral position in...

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Want to Know How AxIT Will Help You Get Amazing Results with Your Clients?

axit Mar 12, 2019
 

Check out what accredited Exercise Physiologist and Myotherapist - Nathan had to say from his first interactions with the AxIT system.

Don't delay. 

The response to the launch of the AxIT system has been HUGE and places on our next allocations are going fast.

Go to http://www.strengthbynumbers.com/discoverysession to book a time to find out how the AxIT system can bring your assessment into the 21st century!

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How Quick Can You Start Testing with AxIT?

axit Mar 12, 2019
 

How quick can you start testing with AxIT? Let's join Andrew and Steve to find out!

Stop Guessing and Start Measuring. Pull your assessments to the 21st century.

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Normative Data of Vertical Ground Reaction Forces During Landing From a Jump

research Mar 11, 2019

Subjects were 234 adolescents (mean age: 16 years) who were categorised by gender, activity level and type of sport played. Subjects jumped from a box 0.3 metres high to land on a force plate. Results showed that there were no significant differences (p>0.05) across gender, activity levels, and type of sport played. Across all subjects, the mean peak vertical GRF was 4.5 bodyweights (SD: 1.7). In regard to gender, mean peak vertical GRFs were 4.6 (SD:1.7) and 4.2 (SD:1.4) for males and females respectively. The mean peak vertical GRF for subjects involved in recreational sport 1–3 times per week was 4.4 bodyweights (SD:1.7), while the mean for those playing competitive sport 4–7 times per week was 4.5 bodyweights (SD: 1.7). The mean peak vertical GRF for subjects participating in sports involving jumping and landing activities was 4.6 bodyweights (SD: 1.8) as compared to 4.4 bodyweights (SD: 1.5) for subjects in sports that did not involve jumping activities.

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Augmented Feedback Reduces Jump Landing Forces

research Mar 11, 2019

Nonimpaired college students (N = 63) were randomly assigned to 1 of 4 feedback groups. Subjects were instructed to perform maximal vertical jumps onto a force plate for 3 testing sessions (baseline, 2-minute post-test, and 1-week post-test). Three feedback groups (augmented, sensory, and control I) were tested during all 3 testing sessions, while a fourth feedback group (control II) was evaluated at only 2 sessions (baseline and 1-week post-test). Subjects in the augmented feedback condition were provided information via video and verbal analysis of how to land softer. Subjects in the sensory feedback condition were asked to use the experience of their baseline jumps to document how they could land softer. Subjects in each of the control groups were not provided any extraneous feedback. Peak vertical ground reaction force data were collected for analysis.

The subjects in the augmented feedback group significantly reduced their peak vertical ground reaction force in both...

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