Muscle Attachments (Origin & Insertion) Flashcards
SCM
Origin: Mastoid Process of Temporal bone
Insertion: Sternum and Clavicle
Scalenes
Origin: cervical transverse processes
Insertion: 1st and 2nd Ribs
Longus Colli
Origin: anterior body of cervical spine
Insertion: anterior body of cervical spine
Suboccipitals
Origin: several muscles that run between the occiput, C1 and C2 both on the anterior and posterior side
Errector spinae
Origin: run from iliac crest, sacrum, spine, and ribs longitudinally to:
Insertion: Spine, Ribs, or occiput
Deep layer of spine (Multifidi & Rotators)
Origin: spinous and transverse process
Insertion: one or a few vertebra down to spinous or transverse process
Rectus Abdominis
Origin: xiphoid process, anterior ribs
Insertion: pubic bone
External Oblique Abdominis
Origin: lateral ribs
Insertion: runs inferiormedially to the rectus sheath
Internal Oblique Abdominis
Origin: Rectus Sheath, lower ribs
Insertion: runs inferiolaterally to iliac crest and thoracolumbar fascia
Transverse Abdominis
Origin: Rectus sheath
Insertion: thoracolumbar fascia, iliac crest, lower ribs
Quadratus Lumborum
Origin: 12th rib, transverse processes of lumbar spine
Insertion: Posterior iliac crest
Levator scapulae
Origin: upper cervical transverse processes
Insertion: superior angle of scapula
Trapezius
Origin: occiput, spinous process C2-T12
Insertion: spine of scapula, acromion, outer 1/3rd of clavicle
Rhomboids
Origin: spinous process of upper thoracic
Insertion: medial border of scapula (runs inferiolateral to scapula)
Serratus Anterior
Origin: lateral ribs
Insertion: medial-anterior border of scapula
Pectoralis Major
Origin: medial clavicle, sternum, and anterior ribs
Insertion: intertubercular groove of humerus (lateral lip = greater tubercle)
Pectoralis Minor
Origin: Anterior upper ribs
Insertion: coracoid process
Latissimus Dorsi
Origin: spinous process T7-T12 and thoracolumber fascia, iliac crest
Insertion: Intertubercular groove of humerus (medial lip = lesser tubercle)
Deltoid
Origin: Lateral clavicle, acromion, spine of scapula
Insertion: deltoid tuberosity of humerus
Supraspinatus
Origin: supraspinous fossa
Insertion: Greater tubercle of humerus
Infraspinatus
Origin: infraspinous fossa
Insertion: Greater tubercle of humerus
Teres minor
Origin: lateral posterior scapula
Insertion: Greater tubercle of humerus
Subscapularis
Origin: subscapular fossa
Insertion: Lesser tubercle of humerus
Teres major
Origin: inferior angle of scapula
Insertion: Intertubercular groove of humerus (medial lip = lesser tubercle)
Coracobrachialis
Origin: coracoid process
Insertion: medial mid-humerus
Biceps brachii
Origin: LH - supraglenoid tubercle, SH - coracoid process
Insertion: radial tuberosity
Brachialis
Origin: anterior humerus
Insertion: ulnar tuberosity and coranoid process
Brachioradialis
Origin: lateral distal humerus
Insertion: radial styloid
Triceps brachii
Origin: LH - infraglenoid tubercle, Other heads - posterior humerus
Insertion: Olecranon process
Anconeus
Origin: posterior distal humerus
Insertion: olecranon process
Supinator
Origin: upper ulna
Insertion: upper radius
Pronator teres
Origin: medial epicondyle
Insertion: anterior mid-radius
Pronator quadratus
Origin: anterior distal ulna
Insertion: anterior distal radius
Flexor carpii radialis
Origin: medial epicondyle
Insertion: 2nd metacarpal - anteriorly
Flexor carpii ulnaris
Origin: medial epicondyle
Insertion: 5th metacarpal - anteriorly
Palmaris longus
Origin: medial epicondyle
Insertion: palmar fascia
Flexor digitorum superficialis
Origin: medial epicondyle
Insertion: middle phalanx of 2-5 fingers
Flexor digitorum profundus
Origin: anterior ulna
Insertion: distal phalanx of 2-5 fingers
Flexor pollicus longus
Origin: anterior radius
Insertion: distal phalanx of thumb
Extensor carpii radialis longus
Origin: Lateral epicondyle
Insertion: 2nd metacarpal - posteriorly
Extensor carpii radialis brevis
Origin: Lateral epicondyle
Insertion: 3rd metacarpal - posteriorly
Extensor carpii ulnaris
Origin: Lateral epicondyle
Insertion: 5th metacarpal - posteriorly
Extensor digitorum
Origin: Lateral epicondyle
Insertion: distal phalanx of 2-5 fingers (via extensor hood)
Outcropper muscles
Origin: Posterior forearm
Insertion: to thumb or index finger
Gluteus Maximus
Origin: Posterior ilium, sacrum
Insertion: iliotibial band and gluteal tuberosity
Gluteus Medius
Origin: Gluteal lines on posterior ilium
Insertion: Greater trochanter
Gluteus Minimus
Origin: Gluteal lines on posterior ilium
Insertion: Greater trochanter
Deep hip external rotators (Piriformis, Gemelli superior, Obturator internus, Gemelli inferior, Obturator externus, Quadratus femoris)
Origin: sacrum, obturator membrane, ischium
Insertion: Greater trochanter
Biceps Femoris
Origin: LH - Ischial tuberosity, SH - Linea aspera
Insertion: Fibular head
Semitendinosus
Origin: Ischial tuberosity
Insertion: Anterior medial tibial condyle
Semimembranosus
Origin: Ischial tuberosity
Insertion: Medial tibial condyle
Tensor Fascia Latae (TFL)
Origin: Lateral to ASIS
Insertion: iliotibial band
Iliotibial band
Origin: Glut. Max., TFL
Insertion: Gerdy’s tubercle
Adductor Magnus
Origin: inferior pubis and ischium
Insertion: Adductor tubercle and linea aspera
Adductor Longus
Origin: pubic bone
Insertion: Linea aspera
Adductor Brevis
Origin: pubic bone
Insertion: Upper linea aspera
Gracilis
Origin: pubic bone
Insertion: Anterior medial tibial condyle
Pectineus
Origin: pubic bone
Insertion: Pectineal line
Psoas
Origin: Anterior lumbar spine
Insertion: Lesser trochanter
Iliacus
Origin: Iliac fossa
Insertion: Lesser trochanter
Sartorius
Origin: ASIS
Insertion: Anterior medial tibial condyle
Rectus Femoris
Origin: AIIS
Insertion: Tibial tuberosity via patellar tendon
Vastus Medialis
Origin: Linea aspera
Insertion: Tibial tuberosity via patellar tendon
Vastus Lateralis
Origin: Linea aspera & lateral femur
Insertion: Tibial tuberosity via patellar tendon
Vastus Intermedius
Origin: anterior femur
Insertion: Tibial tuberosity via patellar tendon
Popliteus
Origin: Posterior lateral condyle of femur
Insertion: Posterior proximal tibia
Gastrocnemius
Origin: Posterior medial and lateral condyles of femur
Insertion: Achilles tendon to posterior calcaneus
Soleus
Origin: Soleal line and fibular head
Insertion: Achilles tendon to posterior calcaneus
Posterior tibialis
Origin: posterior leg
Insertion: Navicular tuberosity and plantar surface of almost all the tarsal bones
Flexor Hallucis Longus
Origin: posterior leg
Insertion: plantar surface of distal phalanx of 1st toe
Flexor Digitorum Longus
Origin: posterior leg
Insertion: plantar surface of distal phalanx of toes 2-5
Anterior tibialis
Origin: anterior leg
Insertion: medial side of midfoot
Extensor Hallucis Longus
Origin: anterior leg
Insertion: dorsal surface of distal phalanx of 1st toe
Extensor Digitorum Longus
Origin: anterior leg
Insertion: dorsal surface of distal phalanx of toes 2-5
Peroneus tertius
Origin: Anterior fibula
Insertion: 5th metatarsal tuberosity
Peroneus Longus
Origin: Upper fibula
Insertion: medial side of midfoot [plantar] (via cuboid groove)
Peroneus Brevis
Origin: Lower fibula
Insertion: 5th MT tuberosity