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A Hamstring injury is common in sports. Hamstring injuries are sometimes known as a 'pulled Hamstring'. The term 'pulled muscle' comes from the description of how the injury takes place. Usually, the Hamstring muscle is forcibly stretched beyond its limits and the muscle tissue becomes torn. A tear in the Hamstring muscle is referred to as a Hamstring strain by medical professionals and depending on its severity it is classified as a first, second or third degree strain:
The Hamstring muscle group comprises three muscles - biceps femoris, semitendonosus and semimembranosus. The action of these muscles is to bend the knee and extend the hip.
With a grade one Hamstring strain the signs may not be present until after the activity is over. There may be a sensation of Hamstring cramp or Hamstring tightness and a slight feeling of pain when the muscles are stretched or contracted.
With a grade two Hamstring strain there is immediate pain which is more severe than the pain of a grade one injury. It is confirmed by pain on stretch and contraction of the muscle. A grade two Hamstring strain is usually sore to touch.
A grade three Hamstring strain is a very serious injury. There is an immediate burning or stabbing pain and the athlete is unable to walk without pain. The muscle is completely torn and there may be a large lump of muscle tissue above a depression where the tear is. After a few days with grade two and three injuries a large bruise will appear below the injury site caused by the bleeding within the tissues.
|Consult a sports injury expert|
|Apply ice packs to relieve pain|
|Apply compression bandage to control bleeding & swelling|
|Use resistance bands for muscle strengthening exercises|
|Wear Compression Shorts or Thigh Support for reassurance during rehabilitation|
The immediate treatment of a Hamstring muscle injury consists of the RICE protocol - rest, ice, compression and elevation (never apply ice directly to the skin). This is aimed at reducing the bleeding and damage within the Hamstring muscle tissue. Resting may be the common sense approach, but it is one that is often ignored by competitive athletes. This is unwise, since it does not take much to turn a grade one Hamstring strain into a grade two, or a grade two Hamstring strain into a grade three. As a general rule, grade one Hamstring strains should be rested from sporting activity for about 3 weeks and grade two injuries for about 4 to 6 weeks. In the case of a complete rupture, the Hamstring muscle will have to be repaired surgically and the rehabilitation afterwards will take about 3 months.
Regardless of the severity of the Hamstring injury the treatment in the first few days is the same. The Hamstring should be rested in an elevated position with an Ice Pack applied for twenty minutes every two hours, if practical (never apply ice directly to the skin). A Compression Bandage should be applied to limit bleeding and swelling in the tissues. After the early stages have been spent resting, more active rehabilitation can be started.
Gentle resistance exercises and stretching are important as they help to align the scar tissue that forms during the healing process. By aligning the scar tissue along the normal lines of stress the tensile strength of the Hamstring is enhanced.
At first gentle resistance is provided by a therapist, but as the muscle gets stronger then Resistance Bands can provide more of a challenge. The sets and repetitions are gradually increased and eventually Core Strengthening can be started.
Core Strength and Core Stability exercises can improve muscle function across the trunk and pelvis and this can reduce the risk of Hamstring injury. Core strength exercises on a mat using a Swiss Ball and resistance bands are ideal. Once Core Strength and Hamstring strength are improved, then a return to functional activity is possible. With a grade one Hamstring strain gentle jogging can be initiated between seven and nine days after injury and straight line sprinting is usually started after 3 weeks. Many people find that Warm Pants (Compression Shorts) or a Thigh Support provide reassurance during this active rehabilitation.
|Warm up before sporting activities|
|Cool down following sporting activities|
|Stretch regularly to maintain muscle length|
|Replenish carbohydrates during sporting activity with energy bars & gels|
|Wear Compression Shorts or Thigh Support to retain muscle warmth|
The following measures may have the effect of reducing the risk of sustaining a Hamstring muscle strain: