Lecture 2 - Overview of Biomechanics

Question 1

the science of internal and external forces acting on the human body and the effects produced by these forces

Answer 1

Biomechanics

Question 2

– Distal segment angulated toward the body midline

Answer 2

Varus

Question 3

Distal segment angulated away from the body midline

Answer 3

Valgus

Question 4

Relative positions of body segments

Answer 4

Static Position

Question 5

Measurement of relative movements between adjacent bones
Variables that describe the motion
Position, velocity, acceleration

Answer 5

Kinematics

Question 6

Forces transmitted by muscles and tendons to bone
Variables that produce the motion
Forces, energy and power

Answer 6

Kinetics

Question 7

Linear movement from one place to another

Answer 7

Translation

Question 8

Movement around an axis

Answer 8

Rotation

Question 9

Force X Distance (lever arm)

Answer 9

Moment

Question 10

Mass X Velocity

Answer 10

Momentum

Question 11

Forces acting on the foot and ankle ( Muscle Contracture)

Answer 11

Internal Movement

Question 12

Forces acting on the foot and ankle ( Ground Reactive Forces)

Answer 12

External Movement

Question 13

OKC - Abduction, dorsiflexion & eversion of the foot

CKC - Internal rotation of the leg and plantar flexion with adduction of the hindfoot

Answer 13

Pronation

Question 14

OKC - Inversion, plantarflexion, adduction

CKC - External rotation of leg and dorsiflexion with abduction of the hindfoot

Answer 14

Supination

Question 15

Direction of movement in a joint is governed by the

Answer 15

Axis