SCS Anatomy & Biomechanics 2

Question 1

Which muscle is the primary dynamic supporter of the medial longitudinal arch of the foot?

Accepted Answer

Tibialis posterior

Answer

Peroneus longus

Answer

Tibialis anterior

Answer

Flexor hallucis longus

Question 2

During the overhead throwing motion, which phase produces the greatest valgus stress on the medial elbow?

Accepted Answer

Late cocking

Answer

Wind-up

Answer

Early cocking

Answer

Acceleration

Question 3

Femoral anteversion is measured as the angle between which two reference axes?

Accepted Answer

Femoral neck axis and the transcondylar axis of the femoral condyles

Answer

Femoral neck axis and the sagittal plane

Answer

Femoral shaft axis and the horizontal plane

Answer

Greater trochanter to lesser trochanter axis and the transverse axis

Question 4

Which type of muscle contraction generates the greatest force per unit of cross-sectional area?

Accepted Answer

Eccentric

Answer

Concentric

Answer

Isometric

Answer

Isokinetic

Question 5

The pivot shift test evaluates which combination of tibial movements in an ACL-deficient knee?

Accepted Answer

Anterior translation and internal rotation

Answer

Anterior translation and external rotation

Answer

Posterior translation and external rotation

Answer

Valgus stress and external rotation

Question 6

The thoracolumbar fascia transmits forces diagonally by connecting which two muscles?

Accepted Answer

Latissimus dorsi to contralateral gluteus maximus

Answer

Thoracic erector spinae to iliopsoas

Answer

Serratus anterior to contralateral rhomboids

Answer

Multifidus to contralateral piriformis

Question 7

Scapulohumeral rhythm describes which ratio of glenohumeral to scapulothoracic motion during arm elevation?

Accepted Answer

2:1

Answer

1:1

Answer

3:1

Answer

4:1