Muscles On Final Flashcards
TFL
O- Iliac crest post.to the ASIS
I- It band & IT band inserts to Gerdy’s tubercle
A- Flex the hip, medically rotate the hip
ESG’s
O- Thoracolumbar aponeurosis
I- Various attachments at the posterior ribs, spinous & transverse processes of the thoracic & cervical vertebrae, and mastoid process
A- Extend the vertebral column, lateral flex vertebral column to same side
Suboccipitals
O- TVP of C1, SP of C2
I-Inferior nuchal line of the occipit
A- Rotate head & neck to the same side, laterally flex head & neck to same side
Splenius Capitus
O- Inferior one-half of ligamentum nuchae, and spinous processes of C7-T4
I- Mastoid process, and lateral portion of the superior nuchal line of the occiput
A- Rotate the head & neck to the same side, laterally flex head and neck to the same side
Fibularis Longus
O- Head of fibula, and proximal two-thirds of lateral fibula
I- Medial cuneiform and base of the first metarsal
A- Evert the foot, and assist to plantar flex the ankle
QL
O- Posterior iliac crest
I- The last rib and TVP’s of L1-L4
A- Laterally tilt the pelvis , Laterally flex the vertebral column to the same side
Pec Maj
O- Medial half of the clavicle, sternum, and costal cartilage of ribs 1-6
I-Crest of the GREATER tubercle
A- Medially rotate the shoulder, adduct the shoulder
Traps
O-External occipital protuberance, medial portion of superior nuchal line, ligamentum nuchae, spinous process C7-12
I- Lateral one-third of the clavicle, the acromion, and spine of the scapula
A- Upper fibers elevate the scap
Middle fibers- retracts the scap
Lower fibers- depress the scap
Tib Ant.
O- Lateral condyle of the TIBIA, proximal; lateral surface of the TIBIA, and interosseous membrane
I- Medial cuneiform and base of the first metarsal
A- Invert the foot, dorsi flex the ankle
Extensor Carpi Radialis Brevis
O- Lateral epicondyle of the humerus
I- Base of the third metacarpal
A- Radially deviate the wrist, extend the wrist
External Oblique
O-EXTERNAL surfaces of the 5th-12th ribs
I- anterior portion of the iliac crest, abdominal aponeurosis to linea alba
A- Flex the vertebral column, laterally flex the vertebral column to one side
Soleus
O- Soleal line, proximal; surface of the tibia, and proximal head of fibula
I- Calcaneous via calcaneal tendon
A-Plantar flex the ankle
Lats
O- Inferior angle of scap, spinous processes of T7-T12, last 3 or 4 ribs, thoracolumbar aponeurosis, and posterior iliac crest
I-Intertubercular groove or the humerus
A- adduct the shoulder, medially rotate the shoulder
Flexor Carpi Ulnaris
O- Medial epicondyle of the humerus, posterior surface of the proximal two-thirds of the ulna
I- pisiform, hook of hamate, and base of the 5th metacarpal
A- Ulnar deviate the wrist, flex the wrist
Rectus Abdominis
O- Pubic crest & pubic symphysis
I- Cartilage of the 5th, 6th, 7th ribs and zyphoid process
A- Flex the vertebral column, posteriorly tilt the pelvis
Gastrocs
O- Posterior surface of femoral condyles
I- Calcaneous via calcaneal tendon
A- Plantar flex the ankle, flex knee
Teres major
O- Inferior angle & lower 1/3 of the lateral border of the scapula
I- the crest of the Lesser tubercle of the humerus
A- Adduct the sh., med. rot. the sh.
Pec Minor
O- Ribs 3,4,5
I- medial surface of the coracoid process of the scapula
A- Depress the scapula, PROTRACT* the scapula (* this mm. Is in the front)
Semitendinosus
O- Ischial tuberosity
I- Pes anserinus tendon
A- EXTENDS the hip (pulls hip back) flex the knee * (crosses the knee)
Extensor Digitorum
O- Lateral epicondyle
I- bases of middle and distal phalanges of the 2nd to 5th digits
A- Extend the 2nd-5th digits, assist to extend the wrist
Vastus Lateralis
O-LATERAL lip of linea aspera, gluteal tuberosity, greater trochanter
I- Tibial tuberositiy (via petala and petellar ligament)
A- EXTENDS THE KNEE
Vastus Medialis
O-MEDIAL lip pr linea aspera
I- Tibial tuberosity (via petella and Petelar ligament)
A- EXTENDS THE KNEE
Rectus Fem
O- AIIS
I- Tibial tuberosity (via petella and petllar ligament)
A- FLEXES the hip, extend the knee
Glute Med
O- Gluteal surface of the iliu, between the posterior and anterior gluteal lines just below the iliac crest
I- Greater trochanter
A- Ant fibers- Flex the hip, Mid. Fibers- abduct the hip, post. Fibers-extend the hip
Pirformis
O- Anterior surface of the sacrum,
I- superior aspect of the greater trochanter
A- abduct the hip when the hip is flexed, lateral rotate the hip
Glute Max
- Coccyx, edge of sacrum. Posterior Iliac cres, sacrotuberous & sacroiliac ligaments
I- upper fibers into IT band , lower fibers into gluteal tuberosity
A- Laterally rotate the hip, extend the hip
Gracillis
O- Inferior ramus of the pubis
I- Pes anserinus tendon
A-Adduct the hip, FLEX the knee (crosses the knee)
Ant. Scalene
O- Transverse processes of C3 to C6
I-The first rib
A-Elevate the registration and inhalation, laterally flexed the head and neck to the same side
Mid. Scalene
O- Transverse processes to C2-C7
I- The first rib
A-Elevate the ribs dream inhalation, laterally flexed the head and neck to the same side
Temporalis
O- Temporal Fossa and facia
-Coronoid process and anterior edge of ramus of the mandible
A- Retract the mandible, elevate the mandible
SCM
O- Sternal head-Top of manubrium and clav head-medial one-third of the clavicle
I- Mastoid process and lateral portion of the superior nuchal line of the occiput
A- rotate the head and neck to the opposite side, laterally flex the head and neck to the same side
Pronator Teres
O- Medial epicondyle of the humerus, coronoid process of the ulna
I- Middle of the lateral surface of the radius
A- Pronate the forearm, assist to flex the elbow
Flexor Carpi Radilias
O- Medial and epicondyle of the humerus
I-Bases of the second and third metacarpals
A- Radially deviate the wrist, flex the wrist
Triceps Brachii
O- Longhead- infraglenoid tubercle of the scapula, lateral head- posterior surface of the proximal half of the humerus, medial head- posterior surface of the distal half of the humerus
I- Olecranon process of the ulna
A- Extend the elbow, extend the shoulder
Masetar
O- Zygomatic arch
I- Angle and ramus of the mandible
A- Elevate the mandible, (May assist) protract mandible
Posterior Scalene
O- TVP’s of C6 & C7
I- 2nd rib
A- Elevate the ribs during inhalation, laterally flex the head and neck to the same side
Infraspinatus
O-Infraspinous fossa of the scapula
I- Greater tubercle of the humerus
A- Laterally rotate the shoulder, stabilize the head of the humerus in the glenoid cavity
Teres Minor
O- Upper two thirds of the lateral boarder of the scapula
I- Greater tubercle of the humerus
A- Laterally rotate the shoulder, stabilize the head of the humerus in the glenoid cavity
Subscapularis
O-Subscapular fossa of the scapula
I- Lesser tubercle of the humerus
A- Medially rotate the shoulder, stabilize the head of the humerus in the glenoid cavity
Supraspinatus
O- Supraspinous fossa of the scapula
I- Greater tubercle of the humerus
A- abduct the shoulder the first 30 degrees, stabilize the head of the humerus in the glenoid cavity
Deltoid
O- Lateral one-third of the clavicle, the acromion, and the spine of the scapula
- Deltoid tuberosity
A- Ant fibers- flex shoulder, Mid fibers- abduct shoulder, post fibers- extend shoulder
Rhomboids
O- SP’s of C7 to T5
I- Medial boarder of the scap between the spine of the scap and the inferior angle.
A- Elevate the scap, retract the scap
Biceps Brachii
O-Long head- supraglenoid tubercle, short head-coracoid process of the
I- Radial tuberosity and bicipital aponerosis
A- Flex the elbow, flex the shoulder
Levator scapula
O- TVP’s of C1- C4
I- Medial boarder of the scap between the superior angle and superior portion of the spine of the scapula
A-Elevate the scapula, laterally flex the head and neck to the same side
Bicep Femoris
O- Longhead- Ischial tuberosity, Shorthead- lateral lip of linea aspera
I- Head of the fibula
A- Extend the hip, flex the knee
HAMSTRING FAMILY
