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Related Experiment Videos

Intersegmental elbow joint load during pushup.

K N An1, E Y Chao, B F Morrey

  • 1Orthopedic Biomechanics Laboratory, Mayo Clinic/Mayo Foundation, Rochester, MN 55905.

Biomedical Sciences Instrumentation
|January 1, 1992
PubMed
Summary
This summary is machine-generated.

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MRI of the elbow.

Orthopedics·2014

This study analyzed elbow joint loading during push-ups. Peak axial forces reached 45% of body weight, revealing insights into elbow biomechanics and load capacity.

Area of Science:

  • Biomechanics
  • Human Movement Analysis
  • Orthopedics

Background:

  • Understanding the biomechanical forces on joints during common exercises is crucial for injury prevention and performance optimization.
  • The elbow joint is susceptible to significant loads during upper body resistance exercises like the push-up.

Purpose of the Study:

  • To investigate the intersegmental loading pattern on the elbow joint during the push-up exercise.
  • To quantify the peak axial forces and torques experienced by the elbow joint across various hand positions.

Main Methods:

  • Nine healthy male subjects performed push-ups in six different hand positions.
  • Electromagnetic motion sensors and a piezoelectric force plate were used to record upper extremity motion and ground reaction forces simultaneously.

Related Experiment Videos

  • Analysis focused on peak axial forces and peak torque for elbow flexion.

    • Main Results:

    • Peak axial forces exerted on the elbow joint averaged 45% of body weight.
    • Peak torque required for elbow flexion was 2305.9 N-cm, representing 56% of maximal isometric extensor torque.
    • Variations in hand position influenced these biomechanical parameters.

    Conclusions:

    • The push-up exercise imposes substantial axial and torque loads on the elbow joint.
    • These findings provide valuable insights into the biomechanics and load-bearing capacity of the healthy human elbow.
    • Understanding these forces can inform exercise prescription and rehabilitation strategies.