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70 Cards in this Set

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Deltiod
Origin: A- lateral third of clavical m-lateral border of acromian process p- lower border of the crest of the spine of the scapula
Insertion: deltoid tuberosity of humerous
Function: abducts, extends and flexes the arm
biceps brachii
Origin: long head- supraglenoid tubercle of the scapula short head- corocoid process of scapula
Insertion: radial tuberosity
Function: flexes and supinates forearm
brachialis
Origin: anterior surface of humerous
Insertion:tuberosity of ulna, coronoid process of ulna
Function: flexes elbow
Flexor carpi ulnaris
Origin:medial epicondyle of humerus
Insertion:pisiform bone and hook of hamate and base of 5th metacarpal
Function:flex and adduct wrist = ulnar deviation
Palmaris longus
Origin:medial epicondyle of humerus
Insertion: palmar aponeurosis
Function:flex wrist
-Palmaris longus is totally absent in about 8% of all people and in 4% it is absent in one or the other forearm
-More often absent in females than in males and on the left side in both sexes .
The median nerve is located deep to the palmaris longus.
Flexor carpi radialis
Origin:medial epicondyle of humerus
Insertion:baes of 2nd and 3rd metacarpal bones
Function:flexes and adduct wrist
Flexor digitorum superficialis
Origin:medial epicondyle of humerus and anterior surface of shaft and radius
Insertion:both sides of middle phalanges of the four fingers
Function:Flex the middle philanges of the fingers
The profundis comes underneath it and attaches distal to it.
Brachioradialis
Origin:lateral epicondyle of humerus
Insertion:styloid process of radius
Function:flexes forearm
The largest muscle in the forearm.
Pollicis muscles
Origin:
Insertion:
Function:adduct, abduct, flex, extend and oppose the thumb
Supraspinatus
Origin:supraspinous fossa of the scapula
Insertion:greater tuberosity of the humerus
Function:abducts the arm
One of the rotator cuff muscles
Infraspinatus
Origin: infraspinous fossa of scapula
Insertion: greater tuberosity of humerus
Function:laterally rotates arm
Backhand motion such as putting on a shirt, writing, reaching behind or taking off a sweater can aggravate the tendinitis
one of the rotator cuff muscles
Subscapularis
Origin: anterior surface of scapula
Insertion: lesser tuberosity of humerus
Function:medially rotates arm
-one of the rotator cuff muscles
-This muscle is involved in 70-85% of shoulder injuries
-Activities such as opening jars, front crawl, throwing a ball, forehand serves in raquet sports may irritate it.
Teres Major
Origin:lateral border of scapula
Insertion: medial lip of intertubercular groove of the humerus
Function:extends, adducts, and medially rotates humerus - swimming motion
-same action as latissimus dorsi
teres minor
Origin:lateral border of scapula
Insertion:greater tuberosity of the humerus
Function:laterally rotates arm
-one of the rotator cuff muscles
Triceps Brachii
Origin:infraglenoid tubercle of scapula, lateral and medial surfaces of humerus
Insertion:olecranon process of ulna
Function:extends elbow
Extensor carpi radialis
origin: lateral supracondylar ridge of humerus
Insertion: base of 2nd metacarpal bone
Function: Extends and abducts wrist = radial deviation
Extensor carpi radialis brevis
origin: lateral epicondyle of humerus
insertion: base on 3rd metacarpal bone
function: extends and abducts wrist = radial deviation
Extensor digitorum communis
origin: lateral epicondyle of humerus
insertion: posterior surfaces of the phalanges, fingers 2-5
Function: extension of fingers and wrist
Extensor carpi ulnaris
origin: lateral epicondyle of humerus and olecranon process
insertion:base of 5th metacarpal
Action: extends and adducts wrist= ulnar deviation
Rhomboideus major
origin: spinous processes of T2-T5
Insertion: medial border of the scapula
function: retraction of the scapula
Rhomboideus minor
origin: spinous processes of C7-T1
insertion: root of spine of the scapula
function: retraction of scapula
Trapezius
origin: external occipital bone and spinous processes of C7-T12
Insertion: clavicle, spine, and acromion process of scapula
function: upper part - elevates scapula
Latissimus dorsi
origin: spines of sacral, lumbar and T7-T12 vertabrae, and iliac crest
insertion: intertubercular groove of humerus
function: "swimmer's muscle" extends, adducts and medially rotates the arm
Sternocleidomastoid
origin: anterior surface of sternum and upper surface of clavicle
insertion:mastoid process of temporal bone
function: pulls head to one side, flexes neck
Pectoralis major
origin: clavicle, sternum, costal cartilages of 2nd to 6th ribs
insertion: lateral lip of intertubercular groove of humerus
function: flexes, adducts and rotates arm medially
Pectioralis minor
origin: 3rd, 4th, 5th ribs
insertion: coracoid process of scapula
function depress shoulder
serratus anterior
origin: outer surfaces of upper ribs
insertion: anterior (costal) surface of scapula
action: pull scapula anterior and downward (protracts the scapula). "boxer's muscle".
External intercostals
origin: inferior border of each rib
insertion: superior border of next rib below it
function: elevate ribs for inspiration
Internal intercostals
origin: superior border of each rib
insertion: inferior border of each rib below it
function: depress ribs for exhalation
rectus abdominus
origin: pubic crest and pubic symphysis
insertion: cartilage of ribs 5,6,7 and xiphoid process
action: depresses ribs, flexes vertebral column
external obliques
origin: lower eight ribs
insertion: anterior part of iliac crest, abdominal aponeurosis to linea alba
action: tenses abdominal wall and compresses contents
Internal obliques
origin: crest of ilium and inguinal ligament
insertion: costal cartilages of lower ribs, linea alba and pubis
function: tenses abdominal wall and compresses contents
transverse abdominal
origin: cartilages of lower 6 ribs, iliac crst, lateral part of inguinal ligament and thoracolumbar fascia (lumbodorsal fascia)
insertion: abdominal aponeurosis to linea alba
function: compresses abdomen
temporalis
origin: temporal fossa
insertion: coronoid process of mandible
function: closes lower jaw, clenches teeth
masseter
origin: zygomantic arch
insertion:angle and ramus of mandible, coronoid process of mandible
function: closes lower jaw and clenches teeth
occipitalis (epicranius)
origin: superior nuchal line
insertion: galea aponeurotica
action: tenses and retracts scalp
Frontalis (epicranius)
origin: galea aponeurotica
insertion: skin of eyebrow and bridge of nose
action: raises eyebrows, wrinkles forehead
platysma
origin: subcutaneous fascia of upper one fourth of chest
insertion: mandible and skin of mandible
action: tenses skin of neck and depresses mandible
mentalis
origin: mental protuberance
insertion: skin of chin
function: elevates and protudes lower lip
procerus
origin: fascia over nasal bone
insertion: skin between eyebrows
function: wrinkles skin between the eyes gives a "serious" look
nasalis
origin: middle of maxilla and nasal cartilage
insertion: bridge of nose
function: compresses bridge of nose, elevates corners of nostrils
Orbicularis oris
origin: muscles near mouth
insertion: lips
function: closes and purses the lips
obicularis oculi
origin: medial part of orbit
insertion: skin around eyelids
action: closes eye
temporoparietalis (auricularis)
origin: fascia around external ear
insertion: galea aponeurotica
function: tenses scalp, moves ear
gluteus maximus
origin: surfaces of iliac crest, sacrum, and coccyx
insertion: iliotibial tract and posterior side of femur
function: extension of hip
gluteus medius
origin: lateral surface of ilium
insertion: greater trochanter of femur
action: abduction and medial rotation of hip
gluteus medius
origin: lateral surface of ilium
insertion: greater trochanter of femur
action: abduction and medial rotation of hip
tensor fascia latae
origin: lateral surface of iliac crest
insertion: iliotibial tract
action: abducts, flexes, and rotates thigh medially
gracilis
origin: inferior ramus of pubis
insertion: medial surface of tibia inferior to medial condyle
action: adduction and medial rotation at the hip and flexes knee
biceps femoris
origin: ischial tuberosity and linea aspera of femur
insertion: head of fibula, lateral condyle of tibia
action: flexes knee, extends and laterally rotates hip
semitendinosus
origin: ischial tuberosity
insertion: proximal, medial surface of tibia
action: flexes knee, medially rotates leg, extends hip
semimembranous
origin: ischial tuberosity
insertion: posterior surface of medial condyle of tibia
function: flexes knee, medially rotates leg and extens hip
adductor magnus
origin: ischial tuberoisty
insertion: linea aspera of femur
action: adducts, and extends hip
adductor longus
origin: inferior ramus of pubis
insertion: linea aspera of femur
action: adducts, and flexes hip
adductor brevis
origin: inferior ramus of pubis
insertion: linea aspera of femur
action: adducts, and flexes hip
pectineus
origin: superior ramus of pubis
insertion: pectineal line inferior to lesser trochanter of femur
Function: adduction, flexion and medial rotation at the hip
iliacus iliopsoas is iliacus and psoas combined
origin: iliac fossa of ilium
insertion: lesser trochanteur
function: flexes hip
psoas major
origin: transverse processes of vertabrae T12-L5
insertion: lesser trochanter in conjunction with iliacus
function: flexes hip
sartorius (longest muscle in the body)
origin: ASIS anterior superior iliac spine
insertion: medial surface of tibia near tibial tuberosity
function: flexes knee and hip, lateral rotation of hip
rectus femoris - straight
origin: anterior inferior iliac spine, margin of acetabulum
insertion: tibial tuberosity by patellar ligament
function: extends knee, flexes hip
vastus lateralis
origin: greater trochanter of femur and lateral lip of linea aspera
insertion: tibial tuberosity by patellar ligament
action: extends knee
vastus medialis
origin: medial surface of linea aspera of femur
insertion: tibial tuberosity by patellar ligament
function: extends knee
vastus intermedius
origin: medial surface of linea aspera of femur
insertion: tibial tuberosity by patellar ligament
function: extends knee
gastrocnemius
origin: lateral and medial epicondyles of femur
insertion: posterior surface of calcaneus
function: plantar flexion of foot and flexes knee
soleus
origin: head of fibula and shaft of tibia
insertion: calcaneus via calcanean tendon
function: plantar flexes ankle
tibialis anterior
origin: lateral condyle and lateral surface of tibia
insertion: base of 1st metarsal and medial cuneiform bone
function: dorsiflexes ankle and incerts foot
Extensor digitorum longus
origin: lateral condyle of tibia, anterior surface of fibula
insertion: superios surfaces of phalanges, toes 2-5
function: dorsiflexes and everts foot, extends joints of toes 2-5
extensor hallucis longus
origin: anterior surface of fibula
insertion: superior surface, distal phalanx of great toe
function: extends joints of great toe
peroneus longus
origin: lateral condyle of tibia, head of shaft of fibula
insertion: tarsal and metatarsal bones
function: everts foot and plantar flexes ankle - supports longitudinal arch
peroneus brevis
origin: lateral margin of fibula
insertion: base of 5th metatarsal bone
function: everts foot and plantar flexes ankle