Kinesiology Laboratory 5: Activity Analysis of the Trunk and Lower Extremity
Today’s Activities Force Couples Trunk Analysis Activity Exercise Analysis of the Lower Extremity
Force Couples Two parallel forces of equal magnitude working in opposite directions Creates a rotational movement along the longitudinal axis, i.e. rotary movement
Force Couples
Force Couples
Exercise Prescription Group 1 Back Extensors Hip Abductors Hip Internal Rotators Group 2 Ankle inversion/eversion Ankle plantar/dorsiflexors Group 3 Hip Flexors Hip Extensors Knee Flexors Group 4 Hip External Rotators Knee Extensors Abdominals
For Next Week Lab Report 5 Brief Exercise Presentation Answers to all 5 questions and brief discussion of principles (i.e. force couples) Brief Exercise Presentation Readings: H&K: Ch. 6, TG: pp 278-280, 296-299, 338, 302-305