|
The veins in the lower limbs are classified into two systems:
- Superficial Veins (including saphenous)
- Deep Veins
The two systems are connected by perforating veins that pass through the deep fascia
Three factors influence the return of blood back to the heart:
- Respiration - the movement of the diaphragm creates a negative pressure that assists the return of blood from the legs to the heart
- Vein Valves - healthy valves close, preventing blood from refluxing or pooling
- Calf Muscle Pump - action of the calf muscle helps to force blood upward
|