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FPT Tendon disorders of the hip and thigh (Hamstring Injuries/Snapping Hip/Etc)

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x Tendon disorders of the hip and thigh JB.doc

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Tendon Disorders of the Hip and Thigh

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Figure 1: The hamstrings: the semimembranosus (blue line), semitendinosus (black line) and biceps femoris (orange line). (Modified from https://en.wikipedia.org/wiki/Hamstring#/media/File:Pulled_Hamstring.png)

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Injuries of the hamstring range from strains of the muscle (also known as a “pulled hamstring”) to complete tears within the muscle or avulsion of the tendon from its origin on the ischium.

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Figure 2: Clinical photograph, 4 days after a left hamstring injury.

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Because of pain or actually tissue failure, there will be weakness that may cause the injured athlete to fall or stumble when the injury is sustained.

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Figure 3: The adductor longus.
(courtesy of https://www.hindawi.com/journals/crior/2015/840540/fig1/)

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Strains of the adductor muscle group, also known as a “pulled groin,” are caused by forceful abduction or external rotation of the leg while the adductors are firing (as may be seen when kicking or swinging the leg, and colliding with another player or stationary object). Strains of the adductor muscle group are more commonly seen in soccer and hockey players where this type of motion is more frequently encountered. The adductor muscle group is the second most commonly injured muscle group.

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Figure 4: The classic location of greater trochanteric pain. (courtesy of https://www.physio-pedia.com/Gluteal_Tendinopathy)

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Because tendinopathy and bursitis coexist, the term “greater trochanteric pain syndrome” may be preferable.

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Figure 5: The course of the iliopsoas over the hip joint (modified from https://en.wikipedia.org/wiki/Iliacus_muscle)

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The tensor fascia lata originates from anterior superior iliac spine and attaches into the iliotibial band in the upper thigh. The iliotibial band then inserts on Gerdy's tubercle on the proximal lateral tibia (Figure 6).

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Figure 6: The course of the tensor fascia lata (TFL) and iliotibial band (ITB) on the lateral thigh (modified from https://www.physio-pedia.com/File:Itbs.png)

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The main function of the tensor fasciae lata is stabilizing the lower extremity during gait, but it also abducts the hip. 

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