1. Kinesiology Laboratory 5:
Activity Analysis of the Trunk and Lower Extremity

2. Today’s Activities Force Couples Trunk Analysis Activity
Exercise Analysis of the Lower Extremity

3. Force Couples
Two parallel forces of equal magnitude working in opposite directions
Creates a rotational movement along the longitudinal axis, i.e. rotary movement

4. Force Couples

5. Force Couples

6. 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

7. 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 , , 338,