Beg. Muscle Sets Flashcards
Scalenes
O - C2 - C7
I - 1st 2 Ribs
A - BiLateral - Flexion of the neck
raises 1st 2 ribs during forced inspiration.
Unilateral - Lateral Flexion of the cervical spine
Gastrocnemius
O- medial and lateral epicondyles of the femur
I- Calcaneus via the Achilles’ tendon
A- Plantarflexion or Flexion of the knee, it cannot do both at the same time
Supraspinatus
O- supraspinous fossa on the scapula
I- greater tubercle of the humerus
A- abduction of the first 5°
Tensor Facis Latae (TFL)
O - Iliac Crest just posterior to the anterior superior Iliac Spine
I - Tibia condyle via the iliotibial band
A - abduction
stabilizes the knee
flexion of hip
medial rotation of the femur
Adductor Magnus
O - pubic bone and ishial tuberosity I - Linea Aspera and adductor tuberosity A - adduction of the femur forceful extension of the hip lateral rotation of the hip and femur
Semi tendinosis and semi menbranosus
O - Ishial tuberosity I - tibia A - Flexion of knee extension of the hip medial rotation of the hip and femur
Rhomboids
O - C7 - T5 I - Medial/Vertebral border of the Scapula A - Retraction Downward rotation Slight elevation
Erector Spinae or Paraspinals or Erectors
Superior attachment - Occiput
inferior attachment - sacrum /ThoracoLumbar Aponeurosis
A - bilaterally - extension of the spine
unilaterally - lateral flexion
Pectoralis major
O - sternum and clavicle I - lateral lip of the bicipital groove of the humerus A - adduction Horizontal adduction Medial rotation of the humerus Extension of the flexed shoulder Flexion of the extended shoulder
Splenuis Capitus
O - about C3-T3
I - Mastoid Process
A - bilaterally - extension of the neck
Unilaterally - rotate the head to the same side
lateral flexion of the cervical spine
Thin bandage like muscle covering the neck muscles except the trapezius
Pectoralis Minor
Superior Attachment - Coracoid Process (Part of Scapula) Inferior Attachment - Ribs 3-5 A - Protraction Depression Elevate the ribs during breathing
Teres Minor
O - Lateral Border of the Scapula
I - Greater Tubercle of the Humerus
A - Lateral rotation & Extension
Soleus
O - Soleal Line of the Tibia
I - Calcaneus via the Achilles Tendon
A - Plantarflexion
(Strongest plantarflexor and 2nd layer deep)
Peroneus Longus
O - Head of Fibula (smaller leg bone)
Lateral shaft of fibula
I - Base of the first metatarsal
A - Eversion of the foot & Plantarflexion
Serratus Anterior
O - First 8 ribs posterior lateral side
I - Medial border of the scapula (anterior side)
A - Protraction of the scapula
(Strongest protracting muscle)
Ligaments
connect bone to bone
Sciatic Nerve
Largest nerve in the body
Peronis Muscles
Peronis Longus
Peronis Brevis
Peronis Terius (3rd)
(been renamed to the fibularis muscles)
Upper Trapezius
O - Occiput - C7
I - Lateral 1/3 of ClavicleAcromium
A - Elevation & Upward Rotation
Plantaris
3rd muscle that makes up the Achilles Tendon
Middle Trapezius
O - T1 - T5
I - Spine of the Scapula
A - Retraction
Lower Trapezius
O - T6 - T12
I - Root of the Spine of the Scapula
A - Depression & Upward Rotation
Teres Major
O - Lateral Border of the Scapula I - Medial Lip of the Bicepital groove of the Humerus A - Adduction Extension of the shoulder Medial rotation of the humerus
Latissimus Dorsi
O - ThoracoLumbar Aponeurosis via the Sacrum
I - Medial Lip of the Bicepital groove of the Humerus
A - Adduction
Extension of the shoulder
Medial rotation of the humerus
Levator Scapula
O - C1 - C4 Traverse Processes
I - superior angle of the scapula
A - Elevation & Downward Rotation