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27 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Sternocleidomastoid
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Rotates, flexes and extends the whole neck and pulls head side to side.
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O: top of the sternum and clavicle
I: base of temporal bone |
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Rotator cuff
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Made up the SITS muscles
-supraspinatus, infraspinatus, teres minor, subscapularis |
O: various parts of the scapula
I: humerus |
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Which of the Rotator Cuff muscles is responsible for the first few degrees of arm abduction?
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supraspinatus
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Which of the Rotator Cuff muscles is responsible for lateral rotation?
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infraspinatus & teres minor
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Which of the Rotator Cuff muscles is responsible for medially rotates the arm?
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Subscapularies
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Anterior Deltoids
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Flexes and medially rotates the humerus
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O: at the clavicle, lower edge of the spine of the scapula
I: in the middle of the lateral surface of the humerus |
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Medial Deltoid
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Abduct the shoulder joint
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O: at the clavicle, lower edge of the spine of the scapula
I: in the middle of the lateral surface of the humerus |
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Posterior Deltoid
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Extends and laterall rotates the arm.
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O: at the clavicle, lower edge of the spine of the scapula
I: in the middle of the lateral surface of the humerus |
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Pectoralis Minor
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Responsible for stabilizing the scapula by drawing it down and forward into the rib cage.
It does downward rotation of the scapula and depression of shoulder. It also lifts the ribs in aid of respiration |
O: in the upper part of 3rd - 5th rib
I: medial border of the scapula |
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Pectoralis Major
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Adduction, medial rotation, forward and horizontal flexion of shoulder
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O: clavicles, sternum and first 6 costal cartilage
I: superior end of humerus |
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Push ups work
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Pectoralis Major
Anterior Deltoids Triceps brachii |
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Serratus Anterior
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Fixes the scapula in place during pushing and punching movements.
Prime action: protraction and upward rotation of shoulder girdle. |
O: upper 8 ribs
I: medial border of scapula |
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Transverse Abdominus
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constricts the abdomen, compressing its contents, acting as a girdle.
It involved posture, giving birth, throwing up & breathing Major role in Spine stability |
O: iliac crest, lumbar and last 6 ribs
I: xiphoid process, linea alba and pubis. |
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Internal Obliques
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responsible for lateral flexion of the spine and assist with trunk flexion.
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O: iliac crest, thoraco-lumbar area
I; cartilage of lower 3rd and 4th ribs and pubis. |
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External Obliques
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flex and rotate the spine and aid in spine stability
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O: anterior lateral edges of lower 8 ribs
I: at the anterior half of ilium and pubic crest |
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Quadratus Lumborum
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pulls the rib cage to hip laterally.
(lateral flexion of spine) |
O: iliac crest
I: 12th rib and upper four lumbar vertbrae. |
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Quadriceps Femoris include:
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Rectus femoris
vastus medialis vastus intermedius vastus lateralis |
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Rectus femoris
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2 joint muscle that crosses both the knee and hip joint
Hip flexor, but also it can extend the knee. |
O: anterior, inferior spine of ilium
I: at the patella to the tibia via patellar ligament. |
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Vastus medialis and intermedius
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Perform knee extension
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O: Proximal 2/3 anterior femur
I: tibia |
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Iliopsoas??
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Hip flexor
lateral rotation flexion of the lumbar vertebrae |
O:inner lip of iliac crest and sacrum
I:femur |
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Psoas Major??
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??
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O: at the transverse process of lumbar vertebrae and T12
I: femur |
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Adductors
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adduct the hip joint
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O: pubis
I: Femur (Gracilis inserts on the tibia_ |
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What makes up the adductors?
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adductor brevis
adductor longus adductor magnus |
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Tibialis Anterior
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Dorsiflexion of ankle
inversion of foot |
O: proximal 2/3 of tivia
I: foot near the first metatarsal |
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Biceps Brachii
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elbow flexion and forearm supination
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O: long head glenoid fossa of the scapula, short head originates at the coracoid process
I; radisu and fascia of the forearm. |
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Brachialis
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flexion of the elbow
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O: humerus
I: top of ulna |
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Brachioradialis
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flexes elbow from a semi pronated position
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O: humerus
I: distal end of the radius |
