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| Caption = Right [[knee-joint]]. Anterior view. (Medial epicondyle visible at right.) ...septum]] which forms the medial separation between the thigh's flexors and extensors.<ref name="Platzer-242 ...

...ensors relaxed, while the other limb will perform extension at the hip and knee while flexors are relaxed.<ref name="sestta">{{cite book | last1 = Seeley | ...ateral side (the one that bears all the weight), the flexors relax and the extensors contract to stiffen the leg since it must suddenly support the entire weigh ...

| Action = [[Extension (kinesiology)|Extension]] of knee joint ...e group, the [[intermedius]] is the most difficult to stretch once maximum knee flexion is attained. It cannot be further stretched by hip extension as the ...

...e structure that acts as a lever to extend the knee-joint and prevents the knee from collapsing when the foot strikes the ground.<ref name="KneeHipPain"/> ...ents]]. In running and jumping movements, extreme contraction of the knee extensors can result in [[avulsion fracture]]s of the tuberosity apophysis.<ref>Lau & ...

| Action = [[Extension (kinesiology)|Extends]] and stabilizes [[knee]] ...ake up the quadriceps in the [[quadriceps tendon]], which travels over the knee to connect to the [[tibia]]. The vastus lateralis is the recommended site f ...

...Lower Body|lower body]], in particular the [[:Category:Knee extensors|knee extensors]], are essential in preventing falls in older adults and helping them maint ...years of age showed that, over 12 weeks, they had strengthened their knee extensors by up to 26%.<ref>{{cite journal | last=Gault | first=Mandy | title=Aging, ...

| Action = [[Knee]] [[Anatomical terms of motion#Flexion and extension|extension]]; [[hip]] [ ...the sole [[List of extensors of the human body#Knee|extensor muscle of the knee]], forming a large fleshy mass which covers the front and sides of the [[fe ...

...nee]] (L5-S2)<ref>[http://www.exrx.net/Articulations/Knee.html#anchor22052 Knee Articulations<!-- Bot generated title -->]</ref> *[[List of extensors of the human body]] ...

...description|Extensor muscle located medially in the thigh that extends the knee}} |Action=[[Extension (kinesiology)|Extends]] [[knee]] ...

...= [[Extension (kinesiology)|Extension]] of [[hip]] and [[flexion]] of [[knee]] ...the [[Hip|hip joint]] and [[Anatomical terms of motion|flexes]] the [[Knee|knee joint]]. ...

| Action = [[Knee]] [[Anatomical terms of motion#Flexion and extension|extension]]; [[hip]] [ ...alis]]. All four parts of the quadriceps muscle attach to the [[patella]] (knee cap) by the [[quadriceps tendon]]. ...

| Action = [[Flexion]] of [[knee]], [[Extension (kinesiology)|extension]] of the [[hip|hip joint]] ...[[tibia]] and passes over the [[medial collateral ligament]] of the [[knee|knee-joint]], from which it is separated by a [[bursa (anatomy)|bursa]], and is ...

...omologous]] to the region of the [[Human leg|leg]] that lies between the [[knee]] and the [[ankle]] joints, the [[Human leg#Structure|crus]]. ...lied by the [[median nerve]]. The flexor muscles are more massive than the extensors because they work against gravity and act as anti-gravity muscles. The [[ul ...

| Action = [[flexion]] of knee, [[Extension (kinesiology)|extension]] of hip ...the three posterior thigh muscles in human anatomy between the hip and the knee: from [[anatomical_terms_of_location#Medial_and_lateral|medial]] to [[anato ...

...nd stressed by the movement and this stretch involves them more as the hip extensors. Bent knees can shift the weight forward, which allows the pelvis to drift ...s the distance to the pelvis and decreases the strain on the hip and spine extensors: a low bar position allows one to lift heavier weights while a high positio ...

...-row'':<ref name="coach" /> This exercise is frequently performed with one knee and one hand on the same side of the body braced on a [[Bench (weight train * The transverse extensors (posterior [[deltoid muscle]] fibers and the [[infraspinatus]] and [[teres ...

...ich causes the individual to 'lurch' backwards to compensate lack in [[Hip extensors|hip extension]]. ...bilizes the femur on the [[tibia]] when the [[Extension (kinesiology)|knee extensors]] are relaxed. In addition to this, the gluteus maximus has an important ro ...

| Name = Knee | Caption2 = Right knee (front-right view) ...

...while the ankle joint [[dorsiflexion|dorsiflexes]]; conversely the hip and knee joints [[extension (anatomy)|extend]] and the ankle joint [[plantarflexion| ...rces on the [[meniscus (anatomy)|menisci]] and articular cartilages in the knee peak at these same high angles.<ref>Clarkson, HM, and Gilewich, GB (1999) ' ...

...on (kinesiology)|extension]] of the [[hip joint]], supports the extended [[knee]] through the [[iliotibial tract]], chief antigravity muscle in [[sitting]] ...carries out an extension, a valgisation and an external rotation of the [[knee]].<ref>{{Cite book |last=Hahn von Dorsche |first=Herwig |title=Anatomie des ...