Sport Biomechanic Quiz Ques.

Question 1

1. Equilibrium is influenced by which of the following:
   a. The width of the base of support
   b. Height of the center of mass relative to the base of support
   c. Alignment of the center of mass relative to the base of support
   d. All of the above

Answer 1

All of the above

Question 2

. Which of the following statements related to stability is incorrect?

a. The lower the center of gravity, the greater the stability
b. The greater the mass of the body, the greater the stability
c. The greater the friction between the object base and contact surface, the greater the stability
d. The further force sums acting on an object are from zero, the more stable the object

Answer 2

D. THE FURTHER FOCE SUMS ACTING ON AN OBJECT ARE FROM ZERO, THE MOST STABLE THE OBJECT.

Question 3

. Out of the following selections, which joint has the most limited form closure due to lack of contact among the articulating bones?

a. The hip joint
b. The knee joint
c. The shoulder joint
d. The elbow joint

Answer 3

THE SHOULDER JOINT

Question 4

Emphasis on proper ____________ contraction will help ensure that the pelvis does not rotate posteriorly during heavily-loaded squats or deadlifts.

a. Pelvic floor
b. Rectus abdominis
c. Low back
d. Gluteus maximus

Answer 4

PELVIC FLOOR

Question 5

Which of the following sling systems is involved in forward locomotion and incorporates cooperative action from the obliques, anterior abdominal fascia and hip adductors?

a. Posterior oblique sling system
b. Deep longitudinal sling system
c. Anterior oblique sling system
d. Lateral sling system

Answer 5

ANTERIOR OBLIQUE SLING SYSTEM

Question 6

. Which of the following sling systems is integral to stabilizing the pelvis during stair climbing?

a. Posterior oblique sling system
b. Deep longitudinal sling system
c. Anterior oblique sling system
d. Lateral sling system

Answer 6

LATERAL SLING SYSTEM

Question 7

Which of the following is not a common cause of postural distortion?

a. Repetitive action common to a given activity or sport
b. Injury-related movement compensations
c. Poorly-devised weight training programs
d. Performing a large quantity of presses during a given training session

Answer 7

PERFORMING A LARGE QUANTITY OF PRESSES DURING A GIVEN TRAINING SESSION

Question 8

True or False? Weakness in the gluteal musculature with imbalances in the knee extensors may lead to the propensity for internal rotation of the knees (knees in).

a. TruE
b. False

Answer 8

TRUE

Question 9

9. Which of the following dramatically increases an athlete’s risk for plantar fasciitis?
   a. Low back tightness
   b. Pronated feet
   c. Hamstring tightness
   d. Overactive hip flexors

Answer 9

PRONATED FEET

Question 10

True or False? The skeleton is the foundational system for function.

a. True
b. False

Answer 10

TRUE