Common Sporting Injuries 1 - Lecture 5

Question 1

During what activities is a non contact hamstring tear most likely to occur?

Answer 1

Sprinting
Accelerating
Kicking

(68% of hamstring injuries in rugby occur in running, Brookes 2006)

Question 2

What are the risk factors which may increase the strain in the hamstrings in the end of swing?

Answer 2

Low hamstring strength

Short fascicle length

Question 3

How do non contact ACL injuries occur?

Answer 3

Pivot and landing

Question 4

Why does tendinopathy occur?

Answer 4

Tendon loaded to high strain in order to accomplish its function

Question 5

What is overload?

Answer 5

Repetitive loading above what is normal initiates collagen and extra-cellular matrix synthesis and degradation

Question 6

How can you increase the stiffness of a tendon to reduce injury?

Answer 6

Resistance Training

Question 7

What is a stress fracture?

Answer 7

Repetitive laod
Trabecular bone weakening
Compact bone weakening

Question 8

What is a fatigue fracture?

Answer 8

Normal bone is stressed at a rate that exceeds the ability of the bone to remodel to a stronger state and adapt to greater force and cycles

Question 9

What is an insufficiency fracture?

Answer 9

Abnormal bone is routinely stressed under conditions of for example, osteoporosis, rickets