running

Question 1

during early flight what decelerates backward rotation of thigh?

Answer 1

Eccentric hip flexion

Question 2

during early flight decelerates backward rotation of leg/foot?

Answer 2

Eccentric knee extension

Question 3

during midflight what accelerates thigh forward?

Answer 3

Concentric hip flexion

Question 4

during late flight what rotates thigh backward in preparation for foot contact

Answer 4

Concentric hip extension

Question 5

during late flight accelerates leg backward, limiting knee extension; stops before foot strike (aided by concentric knee flexion to minimize braking at touchdown)

Answer 5

Eccentric knee flexion

Question 6

during early support minimizes braking effect of foot strike

Answer 6

concentric hip extension

Question 7

what resists tendency of hip/ankle extension to hyperextend knee; absorbs landing shock

Answer 7

Brief concentric knee flexion followed by eccentric hip extension

Question 8

what helps absorb shock and control forward rotation of tibia over ankle

Answer 8

Eccentric plantarflexion

Question 9

during late support what ecelerates backward thigh rotation; rotates trunk in preparation for
forward takeoff

Answer 9

Eccentric hip flexion

Question 10

what propels center of gravity forward

Answer 10

Concentric knee extension

Question 11

what aids in propulsion

Answer 11

Concentric plantarflexion