Static Standing

Question 1

BOS in static standing

Answer 1

Shoulder width

Question 2

GRF relative to hip, knee, and ankle in static standing

Answer 2

Through or slightly posterior to hip

Anterior to knee and ankle

Question 3

External moments at hip, knee, and ankle in static standing

Answer 3

Hip slight extension
Knee extension
Ankle dorsiflexion

Question 4

Muscle activity (internal moments) at hip, knee, and ankle in static standing

Answer 4

Hip - slight iliopsoas, Y-ligament
Knee - none - ‘screw-home mechanism’
Ankle - soleus

Question 5

% body weight on each foot in static standing

Answer 5

balance - 50% BW on each foot

Question 6

Distribution of weight through foot in static standing

Answer 6

50% on FF and 50% on HF

Question 7

Amount of force on 1st met head in static standing

Answer 7

Approximately 2x more than other met heads