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California State University, Long Beach
Department of Physical Therapy
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Pathokinesiology Research Laboratory

The Pathokinesiology Laboratory is designed to study the validity of current physical therapy practice by analyzing the mechanics and muscle activity of physical therapy


                  Kay Cerny, PT, PhD

Dr Cerny is certified in kinesiological electromyography using indwelling wire electrodes.

DPT students from 2014 to present as a requirement for their DPT 797 coursework.

Current studies:

Effect of knee flexion on maximum voluntary isometric contraction (MVIC) of plantar flexors.

Comparison of standing vs. sitting positions on MVIC for plantar flexors.

Mechanical Demand and Muscle Activity of Lunge Exercises in Young Adults.

Pathokin Lab Pic 1

Pathokin Lab Pic 2

Mechanical Demand and Muscle Activity of Calf Exercises in Young Adults.

Timing of mechanics and muscle activity during pre-swing gait in healthy adults.

Effect of simulated ankle plantar flexion contracture on walking mechanics and muscle activity.

Effect of an AFO downstop on walking mechanics and muscle activity.

Research equipment available:

8 camera Vicon motion analysis system (passive marker system)

2 AMTI force plates embedded in the laboratory walkway

Motion-Lab Systems MA 300 Electromyographic System

BTS Electromyographic System

C motion analysis software (uses C3D files)

Cybex Isokinetic Dynamometer

Overhead support system for safety in studies precluding falling

Recent Presentations:

PathoKin Lab Pic 3 Cerny study

Kay Cerny, PhD, PT, KEMG

Kay Cerny photo