Podcast
Questions and Answers
Quale musculo ha l'origine a partir del epicondilo mediale e l'azione de flexionar il polso?
Quale musculo ha l'origine a partir del epicondilo mediale e l'azione de flexionar il polso?
Quale musculo ha l'inserzione al tubero radiale?
Quale musculo ha l'inserzione al tubero radiale?
Quale musculo è responsabile per l'estensione delle dita 2-5?
Quale musculo è responsabile per l'estensione delle dita 2-5?
L'azione di quale musculo include la pronazione?
L'azione di quale musculo include la pronazione?
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Quale musculo origina dal tubercolo infraglenoide?
Quale musculo origina dal tubercolo infraglenoide?
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Quale dei seguenti muscoli non ha l'origine dal epicondilo laterale?
Quale dei seguenti muscoli non ha l'origine dal epicondilo laterale?
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Quale musculo ha l'azione di abduzione al livello del metacarpo?
Quale musculo ha l'azione di abduzione al livello del metacarpo?
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Quale musculo inserisce al processo olecranico?
Quale musculo inserisce al processo olecranico?
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Quale musculo origina a partir del process spinous de C7-T5 e inserta al angulo inferior e spine?
Quale musculo origina a partir del process spinous de C7-T5 e inserta al angulo inferior e spine?
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Quale musculo ha origin de T12 a L5 e aquita al trochanter minor?
Quale musculo ha origin de T12 a L5 e aquita al trochanter minor?
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Quale musculo agisce como antagoniste de itself durante le flexion del cadera?
Quale musculo agisce como antagoniste de itself durante le flexion del cadera?
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Quale musculo ha le action de depressar le scapula?
Quale musculo ha le action de depressar le scapula?
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Quale musculo es responsable pro le rotazione interna del humero?
Quale musculo es responsable pro le rotazione interna del humero?
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Quale musculo ha le action de elevare le costillas e assiste le flexion del coll?
Quale musculo ha le action de elevare le costillas e assiste le flexion del coll?
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Quale musculo adduce le hip e es originante del ramo superior del pubis?
Quale musculo adduce le hip e es originante del ramo superior del pubis?
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Quale musculo se insere in le tuberositate del calcaneum e es responsabile pro le flexion plantar?
Quale musculo se insere in le tuberositate del calcaneum e es responsabile pro le flexion plantar?
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Quale musculo intende le rotazione ekstern del humero e se insere in le tuberculo maior?
Quale musculo intende le rotazione ekstern del humero e se insere in le tuberculo maior?
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Quale duo de musculi are antagoniste pro le action de aduction del hip?
Quale duo de musculi are antagoniste pro le action de aduction del hip?
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Quale musculo ha l'action de flessar le tronco e compressor le abdomen?
Quale musculo ha l'action de flessar le tronco e compressor le abdomen?
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Quale musculo es le principal extensor del gamba?
Quale musculo es le principal extensor del gamba?
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Quale musculo es inserte in le linea aspera del femur e es responsabile pro le flexion del gamba?
Quale musculo es inserte in le linea aspera del femur e es responsabile pro le flexion del gamba?
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Quale musculo origina del cresta iliaca e se insere in le condyle lateral de tibia?
Quale musculo origina del cresta iliaca e se insere in le condyle lateral de tibia?
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Flashcards
Biceps brachii
Biceps brachii
Musculo in le brachio superior que flexa le cubito.
Brachialis
Brachialis
Musculo in le antebrachio que flexa le cubito.
Brachioradialis
Brachioradialis
Musculo in le antebrachio que flexa le cubito.
Supinator
Supinator
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Pronator teres
Pronator teres
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Flexor digitorum superficialis (FDS)
Flexor digitorum superficialis (FDS)
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Flexor digitorum profundus (FDP)
Flexor digitorum profundus (FDP)
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Flexor pollicis longus (FPL)
Flexor pollicis longus (FPL)
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Levator Scapula
Levator Scapula
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Rhomboideus
Rhomboideus
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Serratus Anterior
Serratus Anterior
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Pectoralis Minor
Pectoralis Minor
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Deltoide
Deltoide
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Pectoralis Major
Pectoralis Major
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Latissimus Dorsi
Latissimus Dorsi
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Infraspinatus
Infraspinatus
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Teres Minor
Teres Minor
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Teres Major
Teres Major
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Subscapularis
Subscapularis
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Coracobrachialis
Coracobrachialis
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Splenius Capitis
Splenius Capitis
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Sternocleidomastoideus
Sternocleidomastoideus
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Scalenus
Scalenus
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Study Notes
Upper Limb Muscles
- Flexor Carpi Radialis (FCR): Origin: medial epicondyle. Insertion: base of 2nd and 3rd metacarpals. Action: flexion and abduction of the wrist.
- Extensor Carpi Radialis Longus (ECRL): Origin: lateral epicondyle. Insertion: base of 3rd metacarpal. Action: extension of the wrist.
- Extensor Carpi Ulnaris (ECU): Origin: lateral epicondyle. Insertion: base of 5th metacarpal. Action: extension and adduction of the wrist.
- Flexor Carpi Ulnaris (FCU): Origin: medial epicondyle. Insertion: base of 5th metacarpal and pisiform. Action: flexion and adduction of the wrist.
- Biceps Brachii: Origin: long head - supraglenoid tubercle; short head - coracoid process. Insertion: radial tuberosity. Action: flexes elbow and supinates forearm.
- Brachialis: Origin: distal 1/2 anterior humerus. Insertion: proximal ulna. Action: flexes elbow.
- Brachioradialis: Origin: lateral supracondylar ridge. Insertion: radial styloid process. Action: flexes elbow.
- Supinator: Origin: lateral epicondyle, supinator crest of ulna. Insertion: anterolateral surface of proximal radius. Action: supination.
- Triceps Brachii: Origin: long head - infraglenoid tubercle; lateral head - posterior humerus; medial head - distal posterior humerus. Insertion: olecranon process. Action: extends elbow.
- Anconeus: Origin: lateral epicondyle. Insertion: lateral and inferior to olecranon process. Action: extends elbow and forearm.
- Pronator Teres: Origin: medial epicondyle and coronoid process. Insertion: lateral aspect of radius. Action: pronation.
- Pronator Quadratus: Origin: distal 1/4 ulna. Insertion: distal 1/4 radius. Action: pronation.
- Flexor Digitorum Superficialis (FDS): Origin: medial epicondyle and radius. Insertion: sides of middle phalanges of fingers 2-5. Action: flexes wrist and fingers 2-5, assists in elbow flexion.
- Flexor Digitorum Profundus (FDP): Origin: upper 3/4 ulna. Insertion: distal phalanges of fingers 2-5. Action: flexes fingers 2-5.
- Flexor Pollicis Longus (FPL): Origin: anterior radius. Insertion: distal phalanx of thumb. Action: flexes thumb.
- Extensor Digitorum (ED): Origin: lateral epicondyle. Insertion: bases of distal phalanges of fingers 2-5. Action: extends fingers 2-5.
- Extensor Indicis (EI): Origin: deep posterior forearm. Insertion: distal phalanx of index finger. Action: extends index finger.
- Extensor Digiti Minimi (EDM): Origin: lateral epicondyle. Insertion: distal phalanx of little finger. Action: extends little finger.
- Lumbricals: Origin: tendons of FDP. Insertion: tendon expansions of ED. Action: flexes MCP joints, extends PIP and DIP joints of fingers 2-5.
- Dorsal Interossei (DAB): Origin: 2 adjacent metacarpals. Insertion: base of proximal phalanges. Action: abduct fingers at MCP joints.
- Palmar Interossei (PAD): Origin: palmar surface of metacarpals 2-5. Insertion: base of proximal phalanges. Action: adduct fingers at MCP joints.
Trunk and Shoulder Muscles
- Trapezius (Upper, Middle, Lower): Origin: upper - occipital bone; middle - cervical vertebrae; lower - thoracic vertebrae. Insertion: upper - 1/3 clavicle and acromion; middle - scapular spine; lower - base of scapular spine. Action: upper - elevate and medially rotate scapula; middle - retract scapula; lower - depress and medially rotate scapula.
- Levator Scapulae: Origin: cervical vertebrae 1-4. Insertion: superior angle and medial border of scapula. Action: elevates scapula.
- Rhomboid Major and Minor: Origin: spinous processes C7-T5. Insertion: inferior angle and medial border of scapula. Action: retract and elevate (downwardly rotate) scapula.
- Serratus Anterior: Origin: lateral ribs 1-8. Insertion: vertebral border of scapula. Action: protects scapula and draws it forward (protraction) and downward.
- Pectoralis Minor: Origin: anterior ribs 3-5. Insertion: coracoid process. Action: protracts and depresses scapula.
- Deltoid (Anterior, Middle, Posterior): Origin: anterior - anterior 1/3 clavicle; middle - acromion; posterior - scapular spine. Insertion: deltoid tuberosity. Action: anterior - flexes and horizontally adducts arm; middle - abducts arm; posterior - extends and horizontally abducts arm.
- Pectoralis Major: Origin: clavicle, sternum, costal cartilage of ribs 1-6. Insertion: lateral lip of bicipital groove. Action: adducts, medially rotates, and flexes arm (and slightly extends).
- Latissimus Dorsi (lats): Origin: lower thoracic and lumbar vertebrae, iliac crest, lower 3/4 ribs. Insertion: medial lip of bicipital groove. Action: shoulder extension, adduction, and medial rotation.
- Infraspinatus: Origin: infraspinous fossa. Insertion: greater tubercle. Action: external rotation and abduction of the arm.
- Teres Minor: Origin: axillary border of scapula. Insertion: greater tubercle. Action: external rotation and abduction of the arm.
- Teres Major: Origin: axillary border of scapula. Insertion: medial lip of bicipital groove. Action: shoulder extension, adduction, and medial rotation.
- Subscapularis: Origin: subscapular fossa. Insertion: lesser tubercle. Action: internal rotation of the arm.
- Coracobrachialis: Origin: coracoid process. Insertion: medial humerus. Action: flexes and adducts the arm.
- Splenius Capitis and Cervicis: Origin: nuchal ligament and spinous processes. Insertion: occipital bone and transverse processes. Action: bilaterally extends head; unilaterally rotates and laterally flexes head.
- Sternocleidomastoid: Origin: sternum and clavicle. Insertion: mastoid process. Action: bilaterally flexes neck; unilaterally laterally bends and rotates neck.
- Scalene Muscles: Origin: transverse processes of cervical vertebrae. Insertion: ribs 1 and 2. Action: unilaterally laterally bends and rotates neck; bilaterally elevates ribs and assists neck flexion.
- Rectus Abdominis: Origin: pubis. Insertion: costal cartilage of ribs 5-7. Action: trunk flexion and compresses abdomen.
- External Oblique: Origin: lower 8 ribs. Insertion: iliac crest and linea alba. Action: bilaterally flexes trunk and compresses abdomen; unilaterally produces lateral flexion and rotation.
- Internal Oblique: Origin: inguinal ligament, iliac crest, lumbar fascia. Insertion: ribs 10-12, abdominal aponeurosis. Action: bilaterally flexes trunk and compresses abdomen; unilaterally produces lateral flexion and rotation to the same side.
- Transverse Abdominis: Origin: inguinal ligament, iliac crest, lumbar fascia, last six ribs. Insertion: abdominal aponeurosis and linea alba. Action: compresses abdomen.
- Quadratus Lumborum: Origin: iliac crest. Insertion: rib 12 and transverse processes of lumbar vertebrae. Action: lateral bending of trunk and elevation of hip.
Lower Limb Muscles
- Iliopsoas (Iliacus and Psoas Major): Origin: iliacus - iliac fossa; psoas major - T12-L5. Insertion: lesser trochanter. Action: hip flexion, assists pelvic tilt, and external hip rotation.
- Rectus Femoris: Origin: AIIS. Insertion: tibial tuberosity. Action: flexes hip and extends knee.
- Sartorius: Origin: ASIS. Insertion: anteromedial aspect of proximal tibia (pes anserinus). Action: figure-four position; external rotation; flexes hip; abducts hip; flexes knee.
- Pectineus: Origin: superior ramus of pubis. Insertion: pectineal line of femur. Action: adducts and flexes hip.
- Adductor Longus and Brevis: Origin: pubis (longus - middle third of linea aspera; brevis - pectineal and proximal linea aspera). Insertion: (longus - middle third of linea aspera; brevis - pectineal line and proximal linea aspera). Action: adducts hip.
- Gracilis: Origin: pubis. Insertion: anteromedial aspect of proximal tibia (pes anserinus). Action: adducts hip.
- Adductor Magnus: Origin: pubis and ischium. Insertion: entire linea aspera and adductor tubercle. Action: adducts hip.
- Gluteus Maximus: Origin: posterior ilium and sacrum. Insertion: IT band and posterior femur. Action: extends and hyper-extends hip; abducts hip; externally rotates hip.
- Gluteus Medius: Origin: outer ilium. Insertion: greater trochanter. Action: abducts hip, anterior portion is internal rotation and flexion; posterior -external rotation and extension.
- Gluteus Minimus: Origin: lateral ilium. Insertion: anterior surface of greater trochanter. Action: hip flexion, abduction, and internal rotation.
- Tensor Fasciae Latae (TFL): Origin: iliac crest posterior to ASIS. Insertion: lateral condyle of tibia and tibial tubercle via IT band. Action: flexion, abduction, and internal rotation of the hip.
- Deep Rotators (6 muscles): Origin: sacrum, ischium, pubis. Insertion: greater trochanter area. Action: hip lateral rotation.
- Vastus Lateralis, Medialis, and Intermedius: Origin: linea aspera (Lateralis), medial femoral shaft (Medialis), anterior femur (Intermedius). Insertion: tibial tuberosity via patellar tendon. Action: extend knee
- Rectus Femoris: Origin: AIIS. Insertion: tibial tuberosity. Action: flexes hip and extends knee.
- Hamstrings (Semitendinosus, Semimembranosus, Biceps Femoris): Origin: ischial tuberosity (all) and short head - posterior femur (biceps femoris). Insertion: semitendinosus - anteromedial proximal tibia; semimembranosus - posterior medial condyle; biceps femoris - fibular head. Action: flexes knee. (Semitendinosus and Semimembranosus also act to flex the hip)
Lower Leg Muscles
- Gastrocnemius: Origin: medial and lateral condyles. Insertion: calcaneal tuberosity. Action: plantar flexion of the foot and knee flexion.
- Soleus: Origin: posterior tibia and fibula. Insertion: calcaneal tuberosity. Action: plantar flexion.
- Flexor Digitorum Longus (FDL): Origin: deep posterior leg. Insertion: distal toes 2-5. Action: flexes toes 2-5 and assists with inversion.
- Flexor Hallucis Longus (FHL): Origin: deep posterior leg. Insertion: distal phalanx of great toe. Action: flexes great toe and assists with plantar flexion and inversion
- Tibialis Posterior: Origin: deep posterior leg. Insertion: tarsals of midfoot and 2-5 metatarsals. Action: inversion and plantar flexion of foot.
- Tibialis Anterior: Origin: lateral tibia and interosseous membrane. Insertion: 1st metatarsal and cuneiform. Action: inversion and dorsiflexion.
- Extensor Digitorum Longus (EDL): Origin: fibula, tibia interosseous membrane. Insertion: distal phalanges of toes 2-5. Action: extends toes 2-5, and assists with dorsiflexion.
- Extensor Hallucis Longus (EHL): Origin: fibula, interosseous membrane. Insertion: distal phalanx of great toe. Action: extends big toe and assists with dorsiflexion and inversion
- Peroneus Longus, Brevis, and Tertius: Origin: lateral fibula. Insertion: longus- plantar surface of 1st met and cuneiform; brevis- tub of base of 5th; tertius- base of 5th. Action: peroneus longus and brevis evert foot and assist with plantar flexion; tertius everts and assists with dorsal flexion.
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Description
Este quiz explora los musculos importantes del membre superior, incluyendo su origen, insercion y accion. Conoceras las principales funciones de los flexores y extensores de la muñeca y el codo. Ideal para estudiantes de anatomia y fisiologia.
