CCSP Clinical Biomechanics in Sports 2

Question 1

During a running gait cycle, which phase is associated with the greatest ground reaction force?

Accepted Answer

Initial contact (heel strike)

Answer

Swing phase

Answer

Midstance

Answer

Terminal stance

Question 2

The Q-angle is formed between the line of pull of the quadriceps and the patellar tendon; an elevated Q-angle in female athletes increases risk of:

Accepted Answer

ACL injury and patellofemoral pain syndrome

Answer

Medial meniscus tears

Answer

Lateral ankle sprains

Answer

Iliotibial band syndrome

Question 3

Which term describes the tendency of a joint to return to its resting position after being displaced, related to passive soft-tissue stiffness?

Accepted Answer

Laxity

Answer

Stiffness

Answer

Neuromuscular stability

Answer

Creep

Question 4

A gymnast performs a back handspring. The wrist is loaded in which primary direction during the push-off phase?

Accepted Answer

Dorsiflexion and axial compression

Answer

Palmar flexion and distraction

Answer

Ulnar deviation and shear

Answer

Radial deviation and torsion

Question 5

The stretch-shortening cycle (SSC) improves power output primarily because:

Accepted Answer

Elastic energy stored in tendons is released during the concentric phase

Answer

Motor unit recruitment is suppressed during the eccentric phase

Answer

Muscle fiber length decreases throughout the cycle

Answer

Type I fibers convert to Type IIx during repeated loading

Question 6

Center of mass (COM) displacement in the vertical plane is greatest during which locomotion pattern?

Accepted Answer

Walking

Answer

Jogging

Answer

Sprinting

Answer

Cycling

Question 7

Tibial internal rotation during knee flexion is coupled with which motion at the subtalar joint?

Accepted Answer

Pronation

Answer

Supination

Answer

Inversion

Answer

Abduction