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Musculoskeletal
Muscles 5-8 UE and LE
| Question | Answer |
|---|---|
| Brachialis O&I | O:Distal half of anterior surface of the humerous I: Tuberosity and coronoid process of ulna |
| Brachialis A | Flex the elbow |
| Brachialis N | Musculotaneous, small branch from radial C5,6 |
| Brachioradialis O&I | O: Proximal 2/3 of supracondylar ridge of humerus I:Styloid process of radius |
| brachioradialis A | Flex the elbow |
| brachioradialis N | Radial C5,6 |
| Supinator O&I | O:Lateral epicondyle of humerus, radial collateral ligament, annular ligament and supinator crest of ulna I:Anterior, lateral surface of proximal 1/3 of radial shaft |
| Supinator A | Supinate the forearm |
| Supinator N | Radial C5,6,7 |
| Pronator Teres O&I | O:Common flexor tendon from medial epicondyle of humerus I:Middle of lateral surface of the radius |
| Pronator Teres A | Pronate the forarm |
| Pronator Teres N | Median C6,7 |
| Pronator Quadratus O&I | O:Medial anterior surface of distal ulna I:Lateral, anterior surface of distal radius |
| Pronator Quadratus A | Pronate the forearm |
| Pronator Quadratus N | Median C7,8,T1 |
| Flexor Carpi Radialis O&I | O:Common flexor tendon from the medial epicondyle of humerus I:Bases of second and third metacarpals |
| Flexor Carpi Radialis A | Flex the wrist Abduct the wrist |
| Flexor Carpi Radialis N | Median C6,7,8 |
| Flexor Carpi Ulnaris O&I | O: Humeral Head: Common Flexor tendon from the medial epicondyle of humerus Ulnar head: Posterior surface of proximal 2/3 of ulna I: Pisiform, hook of hamate and base of fifth metacarpal |
| Flexor Carpi Ulnaris A | Flex the wrist, Adduct the wrist |
| Flexor Carpi Ulnaris N | Ulnar C7,8,T1 |
| Extensor Carpi Radialis Longus O&I | O:Distal 1/3 of the lateral supracondyler ridge of humerus I:Base of second metacarpal |
| Extensor Carpi Radialis Longus A | Extend the wrist Abduct the wrist |
| Extensor Carpi Radialis Longus N | Radial C5,6,7,8 |
| Extensor Carpi Radialis Brevis O&I | O:Common Extensor Tendon from the lateral epicondyle I:Base of third metacarpal |
| Extensor Carpi Radialis Brevis A | Extend the wrist Abduct the wrist |
| Extensor Carpi Radialis Brevis N | Radial C6,7,8 |
| Extensor Carpi Ulnaris O&I | O:Common Extensor Tendon from the lateral epicondyle of humerus I:5th metacarpal |
| Extensor Carpi Ulnaris A | Extend the wrist Adduct the wrist |
| Rectus Femoris O&I | Origin: AIIS Inserts: Tibial Tuberosity (via the patella and patellar ligament) |
| Rectus Femoris N | Femoral L2,3,4 |
| Vastus Lateralis O&I | O:Greater Trochanter, lateral lip of linea aspera, Gluteal tuberosity I: Tibial Tuberosity |
| Vastus Lateralis N | Femoral L2,3,4 |
| Vastus Medialis O&I | O: Medial lip of linea aspera I: Tibial Tuberosity |
| Vastus Medialis N | Femoral L2,3,4 |
| Vastus Intermedius O&I | O: Anterior and lateral shaft of the femur I: Tibial tuberosity |
| Vastus Intermedius N | Femoral L2,3,4 |
| Biceps Femoris O&I | O:Long head Ischial tuberosity Short head Lateral lip of linea aspera I:Head of Fibula |
| Biceps Femoris A | -Flex the knee -lateral rotate flexed knee -extend the hip -Tilt the pelvis posteriorly |
| Semitendinosus O&I | O-Ischial tuberosity I-Proximal, medial shaft of the tibia at pes anserinus tendon |
| Semitendinosus A | -Flex the knee -Medially rotate the flexed knee -Extend the the hip -Tilt the pelvis posteriorly |
| Semitendinosus N | Sciatic (tibial branch) L4,5,S1,2 |
| Semimembranosus O&I | O-Ischial Tuberosity I-Posterior aspect of medial condyle of tibia |
| Semimembranosus N | |
| Sartorius O&I | O:ASIS I:Proximal, medial shaft of the tibia at pes anserinus tendon |
| Sartorius A | -Flex the hip -Abduct the hip -Flex the knee -Laterally rotate the hip -Medially rotate the flexed knee |
| Sartorius N | Femoral L2,3,4 |
| Gracilis O&I | O:Inferior Ramus of Pubis I:Proximal, medial shaft of the tibia at pes anserinus tendon |
| Gracilis A | -Medially rotate the hip -Adduct the hip -Flex the knee -Medially rotate the flexed knee |
| Gracilis N | Obturator L2,3,4 |