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| Hamstring Muscle Detail |
In human anatomy, a hamstring is a Group Of three muscle in posterior side of thigh (from medial to lateral: semimembranosus, semitendinosus and biceps femoris).
Main Action Of Hamstring is Flexion Of Knee Joint. Working With Quadriceps And Mainly Doing Co-Contraction During Running And Our Day-to-day Activities And Tightness is the most common in this Muscle require Stretching Exercise At Regular Interval.
Common Features Of Hamstring Muscle:
They All Originates Arounds Tibial Tuberocity.
Insertion Below Knee Joint Over Tibia or Fibula.
Innervated By Tibial Nerve Branch Of Sciatic Nerve.
Must Flex The Knee And Extends The Hip Joint
All This Functionality is Compulsory to include in Hamstring Group.
Origin and Insertion of Hamstring muscle:
Semimembranosus: Origin From Ischial Tuberocity And Insertion over Medial Tibial Condyle.
Semitendinosus : Origin Also From Ischial Tuberocity And Insertion Over Medial Surface Of Tibia.
Biceps Femoris (Long Head ) : Origin Also From Ischial Tuberocity And Insertion Over Lateral Side Of The Head Of The Fibula.
Biceps Femoris (Short Head) : Origin From linea aspera & lateral supracondylar line of femur And Insertion Over Lateral Side of the Head of The Fibula with Long Head Common Tendon.
Nerve Supply:
Semimembranosus,Semitendinosus and Biceps Femoris Long Head Nerve Supply is Tibial Nerve Part Of Sciatic Nerve.
Biceps Femoris Short Head Nerve Supply is Common Peroneal Nerve Part Of Sciatic Nerve.
Action of Hamstring Muscle:
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| Strengthening Exercise Of Hamstring Muscle |
Hamstring Muscle Crosses Two Joint So Working Chiefly Over The Knee Joint And Do Strong Action is Knee Flexion And Part time Also Helping in Hip Extension With Gluteus Maximus.
Semimembranosus,Semitendinosus Extends Hip Joint And Flex The Knee Joint And Also Rotate Knee Joint When Knee is Flexed.
Long Head Of Biceps Femoris is Extends The Hip Joint And Both Long And Short Head Flex The Knee Joint And Laterally Rotate The Hip When Knee Flexion Position.
Hamstring is One Of The Strongest Antagonist Muscle As Compared To Other Antagonist Muscle Require All Day To Day Activity Like Running, Jumping, Walking , Squating And Working With Quadriceps and Doing Co-contraction.
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| Co-Contraction Of Hamstring And Quadriceps Muscle |
Clinical Significance:
Hamstring Muscle is one of the common Muscle that become tight and Require regular stretching exercise to avoid to tear or damage to Muscle and related ligament. Sciatica is also associated with tightness of Hamstring muscles.
Semitendinosus is also used in Surgery of ACL Ligament reconstruction Surgery.
Exercise Of Hamstring Muscle:
Strengthening Exercise: Strengthening Exercise In Prone Position With Sandbag in Early Stage And Later Stages Standing Position Body Towards Wall And Flexed With Sand Bag is Most Common Exercise.
Stretching Exercise: Long Sitting Position And Toe Touch is One Of The Most Common Hamstring Stretching Exercise And This Position in Yoga Called " Paschimotanasan- Yoga Position"
Related Article:
Exercise Of Hamstring Muscle:
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| Strengthening Of Hamstring In Standing Position |
Strengthening Exercise: Strengthening Exercise In Prone Position With Sandbag in Early Stage And Later Stages Standing Position Body Towards Wall And Flexed With Sand Bag is Most Common Exercise.
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| Home Based Stretching Exercise Of Hamstring Muscle |
Stretching Exercise: Long Sitting Position And Toe Touch is One Of The Most Common Hamstring Stretching Exercise And This Position in Yoga Called " Paschimotanasan- Yoga Position"
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| Hamstring Muscle Stretching In Supine Position |
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| Calf Muscle Detail |
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Hamstring muscle tightness are the most commonly become tight! Regular stretching exercise is the best option for you if you want fitness.
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