Download - Catalyst

Muscles of the spine & hip
Multifidus
O: each side of transverse process, upward and medially
I: spinous process of superior vertibrae
Erector Spinae
O: Lower back rises and splits into three muscles.
Sternocleidomastoid
O: Medial-upper part of the anterior surface of the manubrium sterni--runs superiorly, laterally, and
posteriorly
Lateral-superior border and anterior surface of the medial third of the clavicle; it is directed almost
vertically upward.
I: lateral surface of the mastoid process,
Scalenes
O: transverse processes from the cervical vertebrae of CII to CVII
I: insert onto the first and second ribs
Iliopsoas
Psoas Major
O: anterior bodies & transverse processes of T12 & all lumbar vertebrae, outward over front of pubis
I: wraps over, then under neck of femur to lesser trochanter
Psoas Minor follows similar, but medial, course
Iliacus
O: Iliac fossa
I: Lesser trochanter
Quadratus Lumborum
O: Ilium, attaching to transverse processes of L2-L5
I: Bottom of rib cage
Transversus Abdominis
Origin: Lumbodorsal fascia, the last six ribs, the inguinal ligament and the iliac crest
Insertion: Linea alba and the anterior half of the iliac crest
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Internal Obliques
O: lateral inguinal ligament & iliac crest/thoracolumbar fascoa
I: Lower ribs/aponeurosis
External Obliques
O: External surface of ribs 5 - 12
I: Linea alba & anterior half of the iliac crest
Rectus Abdominis
O: Pubis
I: Cartilage of 5th, 6th, and 7th ribs & xiphoid process
Diaphragm
O: xiphoid process, costal cartilages of last six ribs, and lumbar vertebrae
I: central tendon
Pelvic floor
Pelvic Diaphragm (composed of levator ani and coccygeus), the Urogenital Diaphragm, and the Sphhincter
and Erectile Muscles)
Gluteus Medius
O: Outside of ilium near iliac crest
I: Lateral aspect of greater trochanter
Gluteus Minimus
O: External, middle of ilium
I: Anterior aspect of greater trochanter
Gluteus Maximus
O: Crest of ilium, sacrum, coccyx
I: Posterior femur below trochanter into iliotibial tract
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Deep External Rotators
O: Pelvis
I: Posterior trochanter
Tensor Fasciae Latae
O: Anterior crest and iliac spine (anterior of greater trochanter)
I: Lateral aspect of femur into iliotibial tract
Iliotibial Tract
O: Ilium
I:: Tibia & head of fibula
Rectus Femoris
O: anterior, inferior iliac spine and part of the ilium near the acetabulum
I: with tendon common to vastis
Sartorius
O: ASIS, medially down thigh, superficial to quads
I: Inserts into medial tibial shaft
Hamstrings
semimembranosus, semitendinosus and biceps femoris
O: ischial tuberosity, except one head of the b.f. originates from the femoral shaft
I: medial and lateral insertions on the proximal leg bones
Pectineus
O: Inferior surface of pubis
I: Posterior femur, below lesser trochanter
Adductor Brevis
O: Anterior, inferior surface of pubis
I: Medial posterior femur, 1/3 of the way down (linea aspera)
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Adductor Longus
O: Anterior, inferior surface of pubis
I: Medial aspect of femur, 1/2 the way down (linea aspera)
Adductor Magnus
O: Inferior pubis and ischial tuberosity
I: Medial, posterior femur, along whole linea aspera, with most distal point at the ADductor
tubercle
Gracilis
O: Inferior, anterior pubis
I: Medial aspect of tibia below tibial condyle
Muscles of the knee
Vastus intermedius
O: upper 2/3 of anterior femoral shaft
I: Patella
Vastus Lateralis
O: from linea aspera and then wraps around to front to meet medialis
Vastus Medialis
O: just opposite lateralis
Popliteus
O:middle facet of the lateral surface of the lateral femoral condyle
I:posterior tibia under the tibial condyles, with its tendon running into the knee capsule to the posterior
lateral meniscus.
Muscles of the ankle and foot
Peroneus Longus
O: lateral, upper 2/3 of fibula, wraps around lateral malleolus
I: tendons to1st cuboid and 1st (5th??)metatarsal
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Peroneus Brevis
O: lower 2/3 of fibula, follows same path as longus
I: base of 5th metatarsal
Tibialis Anterior
O: lateral and upper tibia, down front of leg (in front of med. maleollus)
I: medial surface of1st cuneiform and 1st metatarsal
Extensor Digitorum Longus
O: lateral condyle of tibia and anterior fibula, down outside of leg
I: by 4 tendons into 4 lessor toes
Extensor Hallucis Longus
O: Anterior middle and lower fibula, down anterior lateral aspect
I: Its tendon passes under EDL into dorsal surface of great toe
Gastrocnemius
O: Medial and lateral condyles of femur - two heads
I: Calcaneus via the Achilles tendon
Soleus
O: Head of fibula and medial tibia
I: Calcaneus via Achilles tendon
Flexor Digitorum Longus
O: posterior tibia, down medial leg, tendon runs behind med. maleolus and divides into 4 tendons
I: Distal phalanx of lesser 4 toes
Flexor Hallucis Longus
O: lower 2/3 of posterior fibula, tendon crosses medially behind & below sustentaculum tali
I: Distal phalanx of great toe
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Tibialis Posterior
O: Posterior surface of tibia, fibula and interosseous membrane
I: Tendons to cuboid, navicular and all cuneiforms on plantar surface
Muscles of the shoulder
Pectoralis major
O: clavicle, sternum, costal cartilages of second to sixth rib
I: intertubercular groove of humerus
Latissimus dorsi action
O: sacral, lumbar and lower thoracic vertebrae; iliac crest and lower ribs
I: intertubercular groove of humerus
Deltoid
O: clavicle, acromion process and spine of scapula
I: deltoid tuberosity of humerus
Biceps brachii
O: caracoid process of scapula
I: radial tuberosity of radius
Triceps brachii
O: scapula and humerus
I: olecranon process of ulna
Trapezius
O: Extemal occipital protuberance, ligamentum nuchae (7-T12 (spinous processes)
I:
Upper: lateral clavicle, acromion
Middle: spine of scapula
Lower: root of spine of scapula
Levator Scapulae
O: transverse process of 1st 4 cervical vertebrae
I: vertebral border of scapula between superior medial angle and scapular spine;
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Rhomboid
O: Spinous processes of C7 through T5
I: Vertebral border of scapula between the spine and inferior angle
Serratus Anterior
O: Outer surface of the upper 8 ribs
I: Vertebral border of the scapula on the anterior surface
Rotator Cuff
Teres Minor
O: Axillary border of scapula
I: Greater tubercle of humerus
Infraspinatus
O: Infraspinous fossa of scapula
I: Greater tubercle of humerus
Supraspinatus
O: Supraspinous fossa of scapula
I: Greater tubercle of humerus
Subscapularis
O: Subscapular fossa of scapula
I: Lesser tubercle of humerus
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