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MAK111

IOA Muscle Flash Cards

MuscleOriginInsertionActions
Biceps Brachii 1.Short head: coracoid process of scapula 2.Long head: supraglenoid tuberosity of scapula Tuberosity of the radius and aponeurosis of the biceps brachii 1.Flex the elbow (humeroulnar joint) 2.Supine the forearm (radioulnar joints) 3.Flex the shoulder (glenohumeral joint)
Triceps Brachii 1.Long head: Infraglenoid tubercle of the scapula 2.Lateral head: Posterior surface of the proximal half of the humerus 3.Medial head: Posterior surface of distal half of the humerus 1.Olecranon process of the ulna 1.All heads: Extend the elbow (humeroulnar joint) 2.Long head: Extend the shoulder (glenohumeral joint) 3.Long Head: Adduct the shoulder (G/H joint)
Extensors (G) Lateral epicondyle of the humerus 1.Metacarpals 2.Phalanges 1.Extension of the radiocarpal joint 2.Extension of the metacarpals pophalanges joints 3.Extension of the interphalangeal joint
Flexors (G) Medial epicondyle of the humerus 1.Carpals 2.Metacarpal 3.Phalanges 4.Palmar aponeurosis 1.Flexion of the radiocarpal joint 2.Flexion of the metacarpals pophalanges joints 3.Flexion of the interphalangeal joint
Deltoid 1.Interior Side:Lateral one-third of clavicle, 2.Medial Side: Acromion 3.Posterior side:Spine of the scapula Deltoid tuberosity 1Flex the shoulder (G/H joint) 2.Medially rotate the shoulder (G/H joint) 3.Horizontally adduct the shoulder (G/H joint)
Trapezius I External occipital protuberance, medial portion of superior nuchal line of the occiput, ligamentum nuchae & spinous of C-7 through T-12 Lateral one-third of clavicle, acromion & spine of the scapula 1.Bilaterally a.Extend the head & neck 2.Unilaterally a.Laterally Flex the head and neck to the same side b.Rotate the head & neck to the opposite side c.Elevate the scapula (scapulothoracic joint) d.Upwardly rotate the scapula (S/T Joint)
Trapezius II External occipital protuberance, medial portion of superior nuchal line of the occiput, ligamentum nuchae & spinous of C-7 through T-12 Lateral one-third of clavicle, acromion & spine of the scapula a. Abduct the scapula (S/T Joint) b. Stabilize the scapula (S/T Joint)
Trapezius III External occipital protuberance, medial portion of superior nuchal line of the occiput, ligamentum nuchae & spinous of C-7 through T-12 Lateral one-third of clavicle, acromion & spine of the scapula a.Depress the scapula (S/T Joint) b.Upwardly rotate the scapula (S/T Joint)
Latissimus Dorsi Inferior angle of the scapula, spinous processes of last six thoracic vertebrae, last three or four ribs, thoracolumbar aponeursis & posterior iliac crest Intertubercular groove of the humerus a.Extend the shoulder (glenohumeral joint) b.Abduct the shoulder (G/H joint) c.Medially rotate the shoulder (G/H joint)
Teres Major a.Inferior angle and lower one-third of lateral border of the scapula a.Crest of the lesser turbercle of the humerus a.Extend the shoulder (glenohumeral joint) b.Abduct the shoulder (G/H joint) c.Medially rotate the shoulder (G/H joint)
Serratus Anterior External surface of upper eight or nine ribs Anterior surface of medial border of the scapula a.Abduct the scapula (scapulothoracic joint) b.Upwardly rotate the scapula (S/T joint) c.Depress the scapula (S/T joint) d.Hold the medial border of the scapula against the rib cage scapula Fixed a.May act to elevate the thorax during forced inhalati
Pectoral Major(All fibers) Medial half of clavicle, sternum & cartilage of first through sixth ribs Crest of greater tubercle of humerus (All fibers) a.Abduct the shoulder (glenohumeral joint) b.Medially rotate the shoulder (G/H joint) c.Assist to elevate the thorax during forced inhalation (with arm fixed)
Pectoral Major(Clavicular fibers) Medial half of clavicle, sternum & cartilage of first through sixth ribs Crest of greater tubercle of humerus (Clavicular fibers) a.Flex the shoulder (G/H joint) b.Horizontally adduct the shoulder (G/H joint)
Pectoral Major(Costal fibers) Medial half of clavicle, sternum & cartilage of first through sixth ribs Crest of greater tubercle of humerus (Costal fibers) a.Extend the shoulder (G/H joint)
Rectus Abdominis Pubic crest, pubic symphysis Cartilage of fifth, six, and seventh ribs & xiphoid process a.Flex the vertebral column b.Tilt pelvis posteriorly
External Obliques External surface of fifth to twelfth ribs Anterior parts of the iliac crest, abdominal aponeurosis to line alba Unilaterally a.Laterally flex vertebral column to the same side b.Rotate vertebral column to the opposite side Bilaterally a.Flex the vertebral column b.Compress abdominal contents
Internal Obliques Lateral inguinal ligament, iliac crest & thoracolumbar fascia Internal surface of lower three ribs, abdominal aponeurosis to line alba Unilaterally a.Laterally flex vertebral column to the same side b.Rotate vertebral column to the same side Bilaterally a.Flex the vertebral column b.Compress abdominal contents
Transverse Abdominis Lateral inguinal ligament, iliac crest, thoracolumbar fascia and internal surface of lower six ribs Abdominal aponeurosis to line alba Compress abdominal contents
Rectus Femoris Anterior inferior iliac crest (AIIS) Tibia tuberosity (via the patella and patellar ligament) a.Extend the knee (tibiafemoral joint) b.Flex the hip (coxal joint)
Vastus Lateralis Lateral lip of linea aspera, gluteal tuberosity and greater trochanter Tibia tuberosity (via the patella and patellar ligament) A Extend the knee (tibiafemoral joint)
Vastus Medialis Medial lip of linea aspera Tibia tuberosity (via the patella and patellar ligament) Extend the knee (tibiafemoral joint)
Vastus Intermedius Anterior & lateral shaft of the femur Tibia tuberosity (via the patella and patellar ligament Extend the knee (tibiafemoral joint)
Biceps Femoris Long Head: Ischial tuberosity b. Short Head: Lateral lip of the linea aspera Head of fibula Extends the ecetabulofemoral joint b. Lateral rotates the ecetabulofemoral joint c. Flexes the tibiofemoral joint d. Laterally rotates tibia when the tibiofemoral joint is flexed
Semitendinosus Ischial tuberosity Proximal, medial shaft of the tibia at the pes anserine a.Extension of the acetabulofemoral joint b.Medial rotation of the acetabulofemoral joint c.Flexion of the tibiofemoral joint d.Medially rotates the tibia when the tibiofemoral joint is flexed
Semimembranosus Ischial tuberosity Posterior medial tibial condyle a.Extension of the acetabulofemoral joint b.Medial rotation of the acetabulofemoral joint c.Flexion of the tibiofemoral joint d.Medially rotates the tibia when the tibiofemoral joint is flexed
Gluteus Maximus a.Coccyx b.Posterior sacrum c.Posterior iliac crest d.Sacrotuberous ligament e.Sacroiliac ligament a.Gluteal tuberosity of femur b.Iliotibial tract a.Extend the acetabulofemoral joint b.Laterally rotates the acetabulofemoral joint c.Abduct the acetabulofemoral joint d.Adduct the acetabulofemoral joint
Tensor Facia Latae Iliac crest posterior to the ASIS Lateral condyle of the tibia (via iliotibial band) Flexion, abduction & medial rotation of the acetabulofemoral joint
Gastrocnemius Condyles of the femur, posterior surfaces Calcaneus via calcaneal tendon a.Flex the knee (tibiofemoral joint) b.Plantar flex the ankle (talocrural joint)
Soleus Soleal line; proximal, posterior surface of tibia; posterior aspect of head of fibula and proximal, posterior surface tibia Calcaneus via calcaneal tendon Plantar flex the ankle (talocural joint)
Peroneus Longus Head of fibula and proximal two-thirds of lateral fibula Base if the first metatarsals and medial cuneiform a.Evert the foot b.Assist the plantar flex the ankle (talocrural joint)
Tibialis Anterior Lateral condyle of tibia; proximal, lateral surface of tibia and interosseous membrane Medial cuneiform and base of the first metatarsal a.Invert the foot b.Dorsiflex the ankle (talocrural joint)
Created by: vone.84
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