Biomechanics

A person with femoral retroversion will likely present with what compensatory posture in the lower extremity?

• Hip hiking during gait

• Gluteus Maximus gait

• Toeing in

• Toeing out

Which of the following is a function of the hip labrum?

• Increase the mechanical advantage of the iliopsoas

• Increase stability of the joint

• Increase mobilty of the joint

• Increase synovial fluid in the joint

What hip joint position results in the greatest tension in the three major hip ligaments?

• Abduction

• Adduction

• Extension

• Flexion

Which motion is most restricted in the capsular pattern of the hip?

• Internal rotation

• External Rotation

• Flexion

• Extension

What muscle group can function as flexors, extensors, and adductors at the hip?

• Gluteals

• Hamstrings

• External Rotators

• Adductors

Rotating a limb away from the midline in the transverse plane is

• abduction

• adduction

• internal rotation

• external rotation

• extension

The largest uniarticulate muscle that plantarflexes the ankle is the:

• tibial posterior

• gastrocnemius

• biceps femoris

• soleus

• anconeus

The primary weight bearing bone of the lower leg is the:

• femur

• tibia

• fibula

• calcaneous

• talus

A muscle shortening to overcome an external resistance is a(n) _____________ contraction.

• concentric

• eccentric

• isometric

• isotonic

• isokinetic

What is the primary focus of biomechanics in the study of human movement?

• The chemical processes within muscles

• The mechanical principles of movement

• The psychological aspects of exercise

• The nutritional requirements for athletes

Tags

NGSS.HS-PS2-1