Name: leg muscle groups for foot motion
Uploaded: 2024-03-28T14:28:28.000Z
Duration: 1 min 28 s
Channel: JoVE

K12 Standards

Florida Department of Education

High School

Life Science

SC.912.L.14

SC.912.L.14.20

muscles-of-the-leg-that-move-the-foot-and-toes

Muscles of the Leg that Move the Foot and Toes

I muscoli della parte inferiore della gamba che muovono il piede e le dita dei piedi possono essere suddivisi nei compartimenti anteriore, laterale e posteriore.
Il compartimento anteriore comprende i muscoli tibiale anteriore, estensore lungo dell'alluce, estensore lungo delle dita e perone terzo.
Questi muscoli dorsiflettono il piede. Il tibiale anteriore si inverte, mentre il perone terzo lo estroflesso. Inoltre, l'estensore lungo dell'alluce e l'estensore lungo delle dita estendono rispettivamente l'alluce e le altre dita dei piedi.
Il compartimento laterale ospita il perone lungo e il perone breve che si flettono plantare ed estroflustono il piede.
I muscoli del compartimento posteriore sono divisi negli strati superficiali e profondi.
Lo strato superficiale posteriore ha il gastrocnemio e il soleo, che consentono la flessione plantare. Il gastrocnemio flette anche la gamba. La plantare, un piccolo muscolo che può essere presente in coppia, flette plantarmente il piede.
I muscoli dello strato profondo posteriore flettono plantarmente il piede ad eccezione del popliteo che ruota medialmente la tibia.
Inoltre, il flessore lungo dell'alluce e il flessore lungo delle dita flettono rispettivamente l'alluce e le altre dita dei piedi. Il tibiale posteriore supina il piede.

muscoli della gamba che muovono il piede e le dita dei piedi

La gamba umana comprende un intricato sistema di muscoli che facilitano il movimento dei piedi e delle loro dita. All'interno di questo sistema, i muscoli sono classificati nei compartimenti anteriore, laterale e posteriore, ciascuno con un insieme unico di muscoli che svolgono funzioni specifiche.

Compartimento anteriore

Il compartimento anteriore comprende muscoli che contribuiscono alla dorsiflessione del piede. Questo compartimento ospita i muscoli tibiale anteriore, estensore lungo dell’alluce ed estensore lungo delle dita. Il muscolo tibiale anteriore, situato lungo la superficie laterale della tibia, si palpa facilmente ed è il più spesso. Anche il tibiale anteriore provoca l'inversione del piede. Inoltre, l'estensore lungo dell'alluce e l'estensore lungo delle dita estendono rispettivamente l'alluce e le altre dita. Qui è presente anche il muscolo fibularis tertius, che ha origine dalla stessa fonte dell'estensore lungo delle dita. Everte il piede.

La sindrome da stress tibiale mediale, definita dal punto di vista medico come sindrome da stress tibiale mediale, è un disturbo comune tra gli atleti, in particolare corridori e ballerini. Deriva dall'uso eccessivo e dallo stress ripetitivo dei muscoli del compartimento anteriore. Le misure preventive includono stretching regolare, allenamento per la forza e scelta di calzature adeguate.

Scomparto laterale

Il compartimento laterale contiene i muscoli fibularis longus e fibularis brevis. Il perone lungo è il più lungo e superficiale dei due muscoli. Ha origine dalla testa e dalla porzione superiore del perone (la più esterna e più sottile delle due ossa della parte inferiore della gamba) e dai setti intermuscolari adiacenti. Il fibularis brevis, situato appena sotto il fibularis longus, è più corto e ha origine dai due terzi inferiori del perone. Questi due muscoli aiutano nella flessione plantare e nell'eversione del piede.

Compartimento posteriore

Il compartimento posteriore è ulteriormente suddiviso in gruppi muscolari superficiali e profondi. Il gruppo superficiale comprende i muscoli gastrocnemio, soleo e plantare, comunemente chiamati muscoli del polpaccio. Questi muscoli condividono il tendine di Achille, il tendine più robusto del corpo, che si attaccano all'osso calcaneare della caviglia. La posizione eretta umana è attribuita alla dimensione di questi muscoli. Il gastrocnemio costituisce la parte prominente del polpaccio, mentre il soleo, che si trova sotto il gastrocnemio, ha un aspetto piatto e ampio. Il plantare, un piccolo muscolo, è incastonato tra questi due muscoli ed è assente in alcuni individui.

Il compartimento posteriore profondo ospita i muscoli popliteo, tibiale posteriore, flessore lungo delle dita e flessore lungo dell’alluce. Il popliteo costituisce il pavimento della fossa poplitea. Il tibiale posteriore è il muscolo più profondo del compartimento posteriore, posizionato tra i muscoli flessore lungo delle dita e flessore lungo dell'alluce. Nonostante fletta solo l’alluce nell’articolazione interfalangea, il flessore lungo dell’alluce è più grande del flessore lungo delle dita, che flette le altre quattro dita.

Muscoli della gamba che muovono il piede e le dita dei piedi

La gamba umana comprende un intricato sistema di muscoli che facilitano il movimento dei piedi e delle dita dei piedi. All'interno di questo sistema, i muscoli sono classificati in ...

Education

Didattica

JoVE Core

Anatomy and Physiology

Anatomia e Fisiologia

Unit 1

Unità 1

The Muscular System

Il sistema muscolare

KEY TERMS AND CONCEPTS

TERMINI E CONCETTI CHIAVE

leg muscle groups for foot motion

The leg muscles that move the foot and toes are organized into the anterior, lateral, and posterior compartments. Each compartment has a distinct set of muscles with its own actions. Together, they control dorsiflexion, plantar flexion, inversion, eversion, and toe movement.

The anterior compartment includes the tibialis anterior, extensor hallucis longus, extensor digitorum longus, and fibularis tertius. The tibialis anterior runs along the lateral surface of the tibia, is easy to feel, and is the thickest muscle in this group. It dorsiflexes the foot and also helps invert it. The extensor hallucis longus extends the great toe, while the extensor digitorum longus extends the other toes. The fibularis tertius comes from the same source as the extensor digitorum longus and helps evert the foot.

This compartment is also linked to shin splints, which are called medial tibial stress syndrome. It is a common problem in athletes, especially runners and dancers. It is caused by overuse and repeated stress on the anterior compartment muscles. Regular stretching, strength training, and proper footwear can help prevent it.

The lateral compartment contains the fibularis longus and fibularis brevis. The fibularis longus is the longer and more superficial muscle. It starts at the head and upper part of the fibula, which is the outer and thinner lower-leg bone, along with nearby intermuscular septa. The fibularis brevis lies beneath it and begins on the lower two-thirds of the fibula. These muscles help plantar flex and evert the foot.

The posterior compartment is divided into superficial and deep muscle groups. The superficial group includes the gastrocnemius, soleus, and plantaris, which are often called the calf muscles. These muscles share the Achilles tendon, the strongest tendon in the body, and it attaches to the calcaneal bone at the ankle. Their size helps support the upright human stance. The gastrocnemius makes up the main bulge of the calf, the soleus lies beneath it and has a flat, broad shape, and the plantaris is a small muscle between them that is absent in some people.

The deep posterior compartment includes the popliteus, tibialis posterior, flexor digitorum longus, and flexor hallucis longus. The popliteus forms the floor of the popliteal fossa. The tibialis posterior is the deepest muscle in this compartment and lies between the flexor digitorum longus and flexor hallucis longus. The flexor hallucis longus flexes the big toe at the interphalangeal joint, and it is larger than the flexor digitorum longus, which flexes the other four toes.

Leg Muscle Groups for Foot Motion

the muscular system

Muscles, Bones, and Body Movement

The muscular system helps the body move, stay stable, and carry out internal work. It includes three kinds of muscle tissue: skeletal, smooth, and cardiac muscle. Each type has a different role in the body. Skeletal muscles are under conscious control, so people can move them on purpose. They attach to bones by tendons, and their contraction and relaxation make actions like walking and lifting possible. These muscles also produce heat during physical activity, which helps maintain body...

fascicle arrangement in skeletal muscles

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muscle coordination and action

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axial and appendicular muscles

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Facial muscles shape human expression by moving the skin of the face and scalp. These craniofacial muscles are thin skeletal muscles that lie just beneath the skin. They help create the nonverbal signals people use to show emotion and intention. There are about 20 of these muscles. Most begin on bones or fibrous parts of the skull and then extend outward to attach to the skin. They are called muscles of facial expression, or mimetic muscles, because they reflect feelings through movement. <br...

muscles of the eye

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muscles of the anterior neck

Anterior Neck Muscles by Region

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muscles that move the head

How Neck Muscles Guide Head Motion

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muscles of the abdomen

Abdominal Wall Muscles and Support

The abdominal wall muscles support the abdominal cavity and help protect the internal organs. This flexible wall is bordered by the xiphoid process and costal margins at the top, the vertebral column at the back, and the pelvic bones and inguinal ligament at the bottom. It is divided into the anterolateral region and the posterior region. The anterolateral region includes five paired muscles in two groups. The lateral group contains the external oblique, internal oblique, and transversus...

muscles of the pelvic floor and perineum

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muscles of the shoulder

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muscles that move the arm

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muscles that move the forearm

Forearm Muscles for Elbow and Rotation

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muscles of the forearm that move the hand and fingers

muscles-of-the-forearm-that-move-the-hand-and-fingers

Forearm Flexors, Extensors, and Wrist Support

The forearm muscles that move the wrist, hand, and fingers are grouped into anterior and posterior compartments. These muscles work together to bend, straighten, and stabilize the hand and digits. They also connect to the bones of the wrist and hand in organized layers. The anterior compartment contains the flexor muscles. These muscles usually start at the humerus and attach to the carpals, metacarpals, and phalanges. The superficial layer includes the flexor carpi radialis, palmaris longus,...

muscles that move the thigh

Hip Muscles That Move the Thigh

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muscles that move the leg

Thigh Muscles Behind Leg Motion

Thigh muscles help move the leg through flexion, extension, adduction, and rotation. They are grouped into the anterior, medial, and posterior compartments of the thigh. Each group supports a different part of leg motion at the hip and knee. The anterior compartment includes the quadriceps femoris, the most visible thigh muscle group. It helps extend the leg and flex the thigh. The quadriceps is made of four muscles: vastus lateralis, vastus medialis, vastus intermedius, and rectus femoris.

muscles of the leg that move the foot and toes

The leg muscles that move the foot and toes are organized into the anterior, lateral, and posterior compartments. Each compartment has a distinct set of muscles with its own actions. Together, they control dorsiflexion, plantar flexion, inversion, eversion, and toe movement. The anterior compartment includes the tibialis anterior, extensor hallucis longus, extensor digitorum longus, and fibularis tertius. The tibialis anterior runs along the lateral surface of the tibia, is easy to feel, and...

key terms and concepts

Learn how anterior, lateral, and posterior leg muscles move the foot and toes, including dorsiflexion, plantar flexion, inversion, eversion, and toe flexion.

Leg Muscle Groups for Foot Motion | JoVE K12

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Leg Muscle Groups for Foot Motion

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