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84 Cards in this Set
- Front
- Back
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Scalenus Anterior (scalenes)
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O: Tranverse Processes of 3rd through 6th
cervical vertebrae I: Inner border of first rib (scalene tubercle) Action: Raises first rib (respiratory inspiration). Acting together, they flex neck; acting on one side, they laterally flex rotate neck. |
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Scalenus Medius
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O: Tranverse process of lower six cervical
vertebrae (C2 C7) I: Upper surface of first rib Action: Raises first rib (respiratory inspiration). Acting together, they flex neck; acting on one side, they laterally flex rotate neck. |
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Scalenus Posterior
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O: Transverse processes of lower two or
three cervical vertebrae (C5-C7) I: Outer surface of second rib Action: Raises second rib (respiratory inspiration). Acting together, they flex neck; acting on one side, they laterally flex rotate neck. |
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Sternocleidomastoid
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O: -Sternal Head-manubrium of sternum
-Clavicular head-medial part of clavical I: Mastoid process of temporal bone, lateral half of superior nuchal line of occipital bone. Action: -One side-lateral flexion of neck, rotates head to opposite side. -Both sides together-flexes neck, draws sternum superiorly in deep inspiration. Nerve: Spinal part of accessory nerve. |
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Platysma
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Just recognize this muscle. No need to
memorize. |
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External Intercostals
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O: Lower margin of upper 11 ribs
I: Superior border of rib below (each muscle fiber runs obliquely and inserts toward the costal cartilage. Action: Draw ventral part of ribs upward, increasing the volume of the thoracic cavity for inspiration. |
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Internal Intercostals
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O: From the cartilages to the angles of the
upper 11 ribs. I: Superior border of the rib below (each muscle fiber runs obliquely and inserts away form the costal cartilage. Action: Draw ventral part of ribs downward, decreasing the volume of the thoracic cavity for expiration. |
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External Oblique
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O: Lower 8 ribs.
I: Anterior part of iliac crest, abdominal aponeurosis to linea alba. Action: Compresses abdominal contents, Lateral Flexion and rotation of trunk. (Opposite rotation. Right O rotate you left. Left O rotate you right.) |
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Internal Oblique
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O: Lateral half of inguinal ligament, ilia
crest, thoracolumbar fascia. I: Cartilage of bottom 3 or 4 ribs, abdominal aponeurosis to linea alba. Action: Compresses abdominal contents, lateral flexion and rotation of trunk. (Same side rotation) |
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Transverse Abdominis
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Action: Compresses abdomen. Stability of
lower back. |
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Rectus Abdominis
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O: Crest of pubis, pubic symphysis
I: Cartilage of 5th, 6th, 7th ribs, xiphoid Process. Action: Trunk Flexion. Compresses abdomen. |
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Quadratus Lumborum
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O: Iliolumbar ligament, iliac crest.
I: 12th rib, transverse process of upper 4 lumbar vertebrae. Action: Laterally flexion of trunk, fixes ribs for forced expiration. |
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Diaphram
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Action: Expiration and inspiration.
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Trapezius
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O: Medial 3rd superior nuchal line,
external occipital protuberance, spinous processes and supraspinous ligaments of 7th cervical and all thoracic vertebrae. I: Upper part: lateral 3rd of clavicle. Middle part: acromion and crest of spine of scapula. Lower part: Medial portion of crest of spine of scapula. Action: Upper: elevates scapula Middle: retracts (adducts) scapula. Lower: depresses scapula, upper. Upper and Lower: Together rotate scapula (upward rotation). Nerve: Accessory Nerve (11th cranial), C3, C4. |
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Latissimus Dorsi
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O: Spinous processes of the lower 6
thoracic vertebrae, lumbar vertebrae, sacral vertebrae, posterior part of the ilac crest through the lumbar fascia, inferior angle of the scapula. I: Floor of the bicipital groove of humerus. Action: Extension, adduction, and medially (internal) rotation of the arm. Draws back the shoulder downward and backward. Keeps inferior angle of scapula against the chest was, accessory muscle of respiration. Nerve: Toracodorsal nerve (C6-C8) |
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Rhomboids Major
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O: Spines of the second to fifth thoracic
vertebrae. I: Medial border of the scapula below the spine. Action: Retraction of scapula, and downward rotation. Nerve: Dorsal Scapular nerve (C5) |
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Rhomboids Minor
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O: Spines of 7th cervical and 1st thoracic
vertebrae. I: Medial border of the scapula at the root of the spine. Action: Retraction and downward rotation. Nerve: Dorsal Scapular nerve (C5) |
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Erector Spinae
Iliocostalis Cervicis |
Action: Extension, lateral flexion of
Vertebral column. |
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Erector Spinae
Iliocostalis Thoracis |
Action: Extension, lateral flexion of
Vertebral column. |
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Erector Spinae
Iliocostalis Lumborum |
Action: Extension, lateral flexion of
Vertebral column. |
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Erector Spinae
Longissimus Capitis |
Action: Extends and rotates head.
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Erector Spinae
Longissimus Cervicis |
Action: Extension, lateral flexion of
Vertebral column. |
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Erector Spinae
Longissimus Thoracis |
Action: Extension, lateral flexion of
Vertebral column. |
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Erector Spinae
Spinalis Capitis |
Action: Extension, lateral flexion of
Vertebral column. |
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Erector Spinae
Spinalis Cervicis |
Action: Extension, lateral flexion of
Vertebral column. |
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Erector Spinae
Spinalis Thoracis |
Action: Extension, lateral flexion of
Vertebral column. |
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Transversopinalis
Semispinalis Capitis |
Connect from one vertebrae to the next.
Action: Trunk Rotation and Extension. |
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Transversopinalis
Semispinalis Cervicis |
Connect from one vertebrae to the next.
Action: Trunk Rotation and Extension. |
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Transversopinalis
Semispinalis Thoracis |
Connect from one vertebrae to the next.
Action: Trunk Rotation and Extension. |
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Transversopinalis
Multifidis |
Connect from one vertebrae to the next.
Action: Trunk Rotation and Extension. |
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Transversopinalis
Rotatores |
Connect from one vertebrae to the next.
Action: Trunk Rotation and Extension. |
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Levator Scapulae
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O: Posterior tubercles of the transverse processes of the first four cervical vertebrae
I: Vertebral border of the scapula at and above the spine. Action: Elevates scapula Nerve: Dorsal Scapular nerve |
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Pectoralis Major
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O: Clavicular Part: medial half of the clavicle
Sternocostal part: Sternum, upper six costal cartilages, aponeurosis of external oblique I: Lateral lip of intertubercular (bicipital) groove of humerus, crest below greater tubercle of the humerus. Action: Horiz. ADD. Medial/Internal rotation, shoulder flexor and extender. Nerve: Medial and lateral pectoral nerves |
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Pectoralis Minor
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O:External surfaces of the 3rd, 4th, and 5th ribs
I: Coracoid Process of scapula Action: Downward rotation of scapula. Holds scapula on the trunk. Nerve: Medial Pectoral nerve |
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Serratus Anterior
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O: Outer surfaces and superior borders of first 8 or 9 ribs.
I: Anterior surface of medial border of the scapula. Action: Protraction and upward rotation of scapula, flexion of arm. Nerve: Long thoracic nerve (C5-C7) |
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Deltoids
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O: Ant: anterior border and superior surface of the lateral third of the clavicle
Mid: lateral border of the acromion process Pos: lower border of the crest of the spine of the scapula I: Deltoid tuberosity, on the middle of the lateral surface of the shaft of the humerus. Action: Ant: Shoulder flexion, and internal rotation. Mid: Shoulder ABD Pos: Shoulder extension and external rotation. Nerve: Axillary nerve (C5, C6) |
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Scapularis
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O: Subscapular fossa on the ant surface of scapula
I: Lesser tuberosity of the humerus, ventral part of the capsule of of the shoulder joint. Action: Internal rotation of shoulder. Stabilizer of GH joint! Nerve: Upper and lower subscapular nerves (C5, C6) |
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Supraspinatus
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O: Supraspinous fossa of scapula
I: Upper part of greater tuberosity of thehumerus, capsule of the shoulder joint Action: Aids deltoid in ABD. Stabilizes! Nerve: Suprascapular nerve |
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Infraspinatus
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O: Infraspinous fossa of the scapula
I: MIddle facet of the greater tuberosity of the humerus, capsule of the shoulder joint Action: External Rotation. Stabilizes! Nerve: Suprascapualar Nerve (C5, C6) |
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Teres Minor
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O: Upper 2/3s of the dorsal surface of the axillary border of the scapula.
I: The capsule of the shoulder joint, the lower facet of the greater tuberosity of the humerus. Action: External Rot., ADD arm. Stabilizes! Nerve: Axillary Nerve (C5) |
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Teres Major
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O: Lower third of the posterior surface of the lateral border of the scapula near the inferior angle
I: Medial lip of the bicipital groove of the humerus. Action: Internal rotation of shoulder, ADD of arm, Ext of arm Nerve: Lower subscapular nerve |
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Coracobrachialis
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O: Tip of the coracoid process of scapula
I: Middle third of the medial surface and border of the humerus. Action: Weakly ADD arm, Stabilized humerus Nerve: Musculocutaneous nerve |
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Biceps Brachii
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O: Long head: supraglenoid tubercle of scapula
Short head: coracoid process of scapula I: Radial Tuberosity, bicipital aponeurosis into deep fascia on medial part of forearm. Action: Supinates forearm, elbow flexion, weakly flexes shoulder. Nerve: Musculocutaneous nerve. |
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Brachialis
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O: Anterior of lower half of humerus
I: Coronoid process of ulna, tuberosity of ulna Action: Elbow Flexion Nerve: Musculocutaneous Nerve |
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Triceps Brachi
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O: Long head: Infraglenoid tubercle of the scapula
Lateral head: upper half of the posterior surface of the shaft of the humerus Medial head: posterior surface of the lower half of the shaft of the humerus I: Posterior part of olecranon process of the ulna Action: Elbow extension Radial nerve |
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Pronator Teres
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O: Humeral head- medial supracondylar ridge and medial epicondyle of the humerus
Ulnar head: medial border of the coronoid process of the ulna. Action: Pronation and flexes the elbow Nerve: Median Nerve |
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Flexor Carpi Radialis
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O: Medial epicondyle of the humerus through the common tendon
I: Front of the bases of the 2nd and 3rd metacarpal bones Action: Flexes hand, synergist in abduction with exterior carpi radialis longus and brevis. Radial deviation. Nerve: Median Nerve |
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Palmaris Longus
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O: Medial epicondyle of the humerus through the common tendon.
I: Front of the flexor retinaculum and apex of the palm aponeurosis. Action:Flexes the hand Nerve: Median Nerve |
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Flexor Carpi Ulnaris
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O: Humeral head- medial epicondyle of the humerus through the common tendon.
Ulnar head- medial margin of olecronon process of ulna, dorsal border of shaft of the ulna. I: Pisiform bone, hook of the hamate, and base of the 5th metacarpal bone. Action: Flexes hand, synergist in adduction of hand with extensor carpi ulnaris. Ulnar deviation. Nerve: Ulnar Nerve. |
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Flexor Digitorum Superficialis
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O: Humeroulnar head- medial epicondyle of the humerus through common tendon. medial margin of the coronoid process of ulna
Radial head- anterior surface of shat of radius. I: 4 tendons divide into 2 slips each, slips insert into the sides of middle phalanges of 4 fingers Action: Flexes the middle phalanges of the fingers. Nerve: Median Nerve |
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Flexor Digitorum Profundus
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O: Upper 3/4s of anterior and medial surfaces of shaft of ulna and medial side of the coronoid process interosseous membrane.
I: Front of base of distal phalanges of fingers. Action: Flexes distal phalanges Nerve: Medial and Ulnar Nerve. |
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Flexor Pollicis (Thumb) Longus
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O: Middle of anterior surface of shaft of radius, interosseous membrane, medial epicondyle of humerus, and often coronoid process of ulna.
I: Palmar aspect of base of the distal phalanx of thumb. Action: Flexes the thumb Nerve: Branch of median nerve. |
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Pronator Quadratus
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O: Anterior surface of distal part of shaft of ulna.
I: Lower portion of anterior surface of shaft of radius, distal part of lateral border of radius. Action: Pronation forearm and hand Nerve: Anterior interosseous branch of median nerve. |
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Brachioradialis
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O: Upper 2/3s of lateral supracondylar ridge of humerus.
I: Base of styloid process and lateral surface of radius. Action: Flexes elbow Nerve: Radial Nerve. |
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Extensor Carpi Radialis Longus
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O: Lower 3rd of lateral supracondylar ridge of humerus.
I: Dorsal surface of the base of the second metacarpal bone. Action: Extends hand, synergist in abduction of hand with flexor carpi radialis. Radial deviation Nerve: Radial nerve. |
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Extensor Carpi Radialis Brevis
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O: Lateral epicondyle of humerus
I: Dorsal surface of 3rd metacarpal bone Action: Radial Deviation, extends hand, synergist in abduction of hand with flexor carpi radialis Nerve: Radial nerve |
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Extensor Digitorum Communis
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O: Common tendon attached to lateral epicondyle of humerus
I: Lateral and dorsal surfaces of all the phalanges of the four fingers Action: Extends the fingers and wrist. Nerve: Deep branch of medial nerve. |
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Extensor Digiti Minimi
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O: Common tendon attached to lateral epicondyle of humerus.
I: Dorsal surface of base of first phalanx of 5th finger Action: Extends 5th finger Nerve: redial nerve. |
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Extensor carpi Ulnaris
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O: Common tendon attached to lateral epicondyle of humerus.
I: Dorsal surface of bass of 5th metacarpal bone. Action: Extends hand, synergist in adductions of hand with flexor carpi ulnaris. Pronation. Nerve: Radial nerve. |
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Anconeus
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O: Posterior part of lateral epicondyle of the humerus.
I: Lateral surface of the olecranon process and posterior surface of ulna. Action: Extends forearm Nerve: Radial Nerve. |
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Supinator
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O: Lateral epicondyle of humerus, lateral ligament of elbow, annulaar ligament of superior radioulnar joint supinator crest of Ullna.
I: Dorsal and laterl surface of upper 3rd of radius. Action: Supinates forearm Nerve: Radial Nerve. |
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Abductor Pollicis Longus
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O: Posterior surface of shaft of radius, ulna, interosseous membrane.
I: Dorsal surface of base of first metacarpal bone. Action: Abducts thumb. Laterally rotates, and extends thumb; abducts wrist Nerve: Radial nerve |
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Extensor Pollicis Brevis
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O: Dorsal surface of radius, adjacent part of interosseous membrane.
I: Base of proximal phalanx of thumb. Action: Extends thumb abducts hand Nerve: Radial nerve. |
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Extensor Pollicis Longus
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O: MIddle 3rd of dorsal surface of ulna. Interosseous membrane.
I: Base of distal phalanx of thumb Action: Extends thumb Nerve: Radial nerve |
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Extensor Indicis
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O: Posterior surface of ulna and adjacent part of interosseous membrane.
I: Extensor expansion on dorsal surface of proximal phalanx of index finger. Action: Extends Index finger Nerve: Radial Nerve. |
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Psoas Major
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..
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Iliacus
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O: Upper 2/3rds of ilac fossa, ala of sacrum
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Sartorious
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O: Anterior superior iliac spine and area immediately below it
I: Upper part of medial surface of shaft of tibia Action: Flxion, Abduction, and laterally rotates thigh at the hip joint. Flexes and slightly medially rotates leg at knew joint after flexion. (Tailor's Muscle) Nerve: Femoral Nerve. |
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Quadriceps:
Rectus Femoris |
O: Anterior head: anterior inferior iliac spine
Posterior head: ilium above acetabulum I: Patella, then by patellar ligament to tuberosity of the tibie Action: Extends leg at knee joint, flexes thigh at hip joint. Nerve: Femoral nerve |
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Quadriceps:
Vastus Lateralis |
O> Intertrochanteric line, inferior border of greater trochanter, gluteal tuberosity
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Quadriceps:
Vastus Medialis |
O:
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Quadriceps
Vastus Intermedius |
O:
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Gracilis
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O:
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Pectineus
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O:
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Adductor Longus
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O: Anterior of body of pubis
I: From... |
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Adductor Brevis
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O: Outer surface of inferior ramus of pubis
I: From below lesser trochanter to lin |
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Adductor Magnus
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O: Inferior ramus of pubis, and ramus and lower part of tuber
Nerve: Obturator Nerve. |
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Gluteus Maximus
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O:
Nerve: Inferior gluteal Nerve |
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Iliotibial band
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O:
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Gluteus Medius
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O: Outer surface of ilium inferior to iliac crest
I: Lateral surface of greater trochanter Action: Abducts hip Nerve: Superior gluteal nerve |
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Gluteus Minimus
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O:
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Tensor Fasciae Latae
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O: Outer edge of iliac crest between anterior superior iliac spine and iliac tubercle
I: Iliotibial tract on upper part of thigh Action: Flexes and abducts thigh Nerve: Superior gluteal nerve |
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Piriformis
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O: Internal surface of sacrum, sacrotuberous ligament
I: Upper border of greater trochanter Action: Laterally rotates thigh at hip joint, abducts thigh Nerve: Anterior rami of first and second sacral nerves. |
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Gemellus Inferior
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External Rotators
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