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Muscles OIA
| Question | Answer |
|---|---|
| Trapezius | o: occipital bone and thoracic/cervical vertebrae i: scapula and clavicle a: elevates, adducts, rotates scapula |
| Rhomboideus major/minor | o: cervical/thoracic vertebrae i: scapula a: adducts and rotates scapula |
| Levator scapulae | o: cervical vertebrae i: scapula a: elevates scapula |
| Pectoralis minor | o: ribs i: scapula a: stabilizes scapula; elevates ribs |
| Serratus anterior | o: ribs i: scapula a: stabilizes scapula; elevates ribs |
| Supraspinatus | o: supraspinous fossa of scapula i: humerus a: abduction of arm and stabilizes humerus |
| Infraspinatus | o: scapula i: humerus a: rotates arm |
| Teres minor | o: scapula i: humerus a: laterally rotates the arm, adducts the forearm, stabilises humerus |
| Subscapularis | o: subscapular fossa i: humerus a: internally (medially) rotates humerus; stabilizes shoulder |
| Deltoid | o: clavicle and scapula i: humerus a: abducts, flexes, extends, rotates arm |
| Pectoralis major | o: clavicle, sternum ribs i: humerus a: flexes, adducts, rotates arm |
| Subclavius | o: first rib i: clavicle a: depression of clavicle |
| Latissimus dorsi | o: vertebrae, ribs, ilium i: humerus a:extends, adducts, rotates arm |
| Teres major | o: scapula i: humerus a: extends rotates arm |
| Coracobrachialis | o: scapula i: humerus a: flexes and adducts arm |
| Biceps brachii | o: scapula, glenoid cavity i: radius a: flexes arm, flexes forearm, rotates hand |
| Brachialis | o: humerus i: ulna a: flexes forearm |
| Brachioradialis | o: humerus i: radius a: flexes forearm |
| Pronator teres | o: humerus, ulna i: radius a: medial rotation of forearm, pronate hand |
| Supinator | o: ulna i: radius a: lateral rotation of forearm |
| Pronator quadratus | o: ulna i: radius a: medial rotation of forearm, pronate hand |
| Triceps brachii | o: humerus I: ulna a: extends forearm |
| Anconeus | o: humerus i: ulna a: extends forearm |
| Flexor carpi radialis | o: humerus, ulna i: carpals, metacarpals a: flexes and abducts wrist |
| Palmaris longus | o: humerus i: flexor retinaculum a: flexes wrist |
| Flexor carpi ulnaris | o: humerus, ulna i: carpals, metacarpals a: flexes and abducts wrist |
| Flexor digitorum superficialis | o: humerus, ulna, radius i: phalanges a: flexes fingers 2-5 |
| flexor digitorum profundus | o: ulna i: phalanges a: flexes distal fingers 2-5 |
| Flexor pollicis longus | o: radius i: distal phalanx of the thumb a: flexion of the thumb |
| Extensor carpi radialus: longus | o: humerus i: second metacarpal a: extends and abducts wrist |
| Extensor digitorum | o: humerus i: distal phalanges a: extends fingers 2-5 |
| Extensor carpi ulnaris | o: humerus, ulna i: fifth metacarpal a: extends and adducts wrist |
| Gluteus maximus | o: ilium, sacrum, coccyx i: femur a: extends and rotates thigh |
| Gluteus medius | o: ilium i: femur a: abducts and rotates thigh |
| Gluteus minimus | o: ilium, sciatic notch i: trochanter a: abducts and rotates hip joint |
| Tensor fasciae latae | o: iliac spine, iliac crest, fascia lata i: iliotibial band a: stabilize and steady hip and knee joints (tension on the iliotibial band |
| Piriformis | o: ilium, sacrum i: trochanter a: rotate hip laterally; helps abduct hip if flexed |
| Obturators: internus and externus | o: obturator membrane and foramen i: trochanter of femur a: rotates thigh laterally, helps abduct thigh |
| Quadratus femoris | o: obturator ring above ischial tuberosity i: quadrate tubercle; femur a: rotate hip laterally, helps adduct hip |
| Gemellus: superior and inferior | o: ischial tuberosity, obturator ring i; trochanter of femur a: rotates thigh laterally,abduct flexed thigh |
| Semimembranosus | o: ischium, i: tibia a: flexes and rotates leg; extends thigh |
| Semitendinosus | o: ischium i: tibia a: flexes and rotates leg; extends thigh |
| Biceps femoris | o: ischium, femur i: fibula a: flexes and rotates leg; extends thigh |
| Pectineus | o: pubis i: femur a: adducts and flexes thigh |
| Adductor brevis | o: pubis i: femur a: adducts, flexes, rotates thigh |
| Adductor longus | o: pubis i: femur a: adducts, flexes, and rotates thigh |
| Adductor magnus | o: pubis, ischium i: femur a: adducts, flexes rotates thigh |
| Gracilis | o: pubis i; tibia a: adducts thigh, flexes leg |
| Sartorius | o: ilium i: tibia a: flexes and rotates thigh; flexes leg |
| Rectus femoris | o: illium, femur i: patella, tibia a: extends leg; flexes thigh |
| Vastus lateralis | o: ilium, femur i: patella tibia a: extends leg |
| Vastus medialis | o: ilium, femur i: patella, tibia a: extends leg |
| Vastus intermedius | o: ilium, femur i: patella, tibia a: extends leg |
| tibialis anterior | o: tibia i: 1st metatarsal and cuneiform a: dorsiflexes and inverts foot |
| Extensor digitorum longus | o: tibia, fibula i: phalanges of toes a: dorsiflexes and everts foot; extends toes |
| Extensor hallucis longus | o: fibula, adjacent interosseous membrane i: distal phalanx of great toe a: extends great toe; dorsiflexes ankle |
| Fibularis (Peroneus) | o:lateral fibular surface;intermuculara septa of leg i: styloid of 5th metatarsal a; everts foot, platar flexes ankle |
| Popliteus | o:femoral condyle i: tibia (fanlike) superior to popliteal line a: rotates knee medially, flexes leg on thigh |
| Tibialis posterior | o: tibia, fibula i: navicular, medial cuneiform a: inversion of the foot, plantar flexion of the foot at the ankle |
| Flexor hallucis longus | o:fibula, lower interosseous membrane i: base of distal phalanx of great toe a: flexes great toe; supinate ankle; plantar flexor of ankle |
| Plantaris | o:distal femur i: medial to achilles tendon at posterior calcaneal surface a: plantar flexor of ankle; flexes knee |
| Soleus | o: tibia, fibula i: calcaneus a: plantar flexes foot |
| Gastrocnemius | o: femur i: calcanues a: plantar flexes foot, flexes leg |
| Extensor digitorum brevis | o: epicondyle of humerus i: extensor expansions of medial four digits a: extends medial four at metacarpophalangeal joint; extends hand at wrist joint |
| Abductor hallucis | o: tuberosity of the calcaneus i: base of 1st phalanx of hallux a: abducts hallux |
| Flexor digitorum brevis | o: Calcaneus i: Phalanges of toe 2-5 a: flexes lateral four toes |
| Abductor digiti minimi pedis | o: Plantar aponeurosis i: Fifth toe a: flex and abduct the fifth toe |
| Adductor hallucis | o: Oblique Head: proximal ends of middle 3 metatarsal bones; Transverse Head: MTP ligaments of middle 3 toes i: base of first phalanx of the 1st toe a: adducts hallux |
Created by:
zoobrat
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