Hamstring strain

Question 1

Articulating bones

Question 2

Muscles

Answer 2

• biceo femoris
• semitendinosus
• semimembranosus
  help flex at the knee and extend at the hip

Question 3

Mechanism of injury

Answer 3

due to muscles overload eg, when running - leg is fully stretched before the foot hits the ground. when the foot makes contact body weight can cause the muscle to be stretched too far and tear.

symptoms:
- sudden sharp pain in hamstring
- a snapping or popping feeling
- tenderness
- brusing

Question 4

Predisposing factors

Answer 4

• participation in sports that require running
• prior hamstring injury
• tired, wear or inflexible muscles
• muscle imbalance
• age (older)

Question 5

Rehabilitation

Answer 5

exercises:
- heel dig
- hamstring curl
- hip extensions

stretching:
- hamstring wall stretch
- standing calf stretch

• single leg balance
  -proprioceptive training

Question 6

General information

Answer 6

• grade 1 or 2 tears can heal in 3-8 weeks
• grade 3 can heal in up to 3 months