OCS OCS Biomechanics & Kinesiology

Question 1

Which type of joint motion describes the rolling and gliding of one joint surface on another, as occurs at the knee during flexion?

Accepted Answer

Arthrokinematics

Answer

Osteokinematics

Answer

Accessory motion

Answer

Passive range of motion

Question 2

The Q-angle is measured between the line of pull of the quadriceps and the patellar tendon; an abnormally increased Q-angle is most associated with which condition?

Accepted Answer

Patellofemoral pain syndrome

Answer

Iliotibial band syndrome

Answer

Pes anserinus bursitis

Answer

Patellar tendinopathy

Question 3

During normal gait, which phase is characterized by maximal single-limb support and the greatest demand on the hip abductors?

Accepted Answer

Mid-stance

Answer

Terminal swing

Answer

Loading response

Answer

Pre-swing

Question 4

The close-packed position of the glenohumeral joint, where the joint is most congruent and the capsule is most taut, is:

Accepted Answer

Full abduction and external rotation

Answer

90° abduction and neutral rotation

Answer

Full flexion

Answer

Anatomical position

Question 5

The scapulohumeral rhythm describes coordinated movement between the glenohumeral and scapulothoracic joints; what is the typical ratio of glenohumeral to scapulothoracic motion during shoulder abduction?

Accepted Answer

2:1

Answer

1:1

Answer

3:1

Answer

1:2

Question 6

Which muscle is the primary contributor to dynamic lumbar stabilization through its role as a local stabilizer of the lumbar spine?

Accepted Answer

Transverse abdominis

Answer

Rectus abdominis

Answer

External oblique

Answer

Iliopsoas