Muscles Flashcards
Extension elbow
Triceps brachii
Triceps brachii
extension elbow
Long, lateral and medial head
Insertion humerus and glenoid cavity on scapula, all merge form tendon which attaches onto scapula.
Flexion of the elbow
BBB
Brachialis
Biceps brachii
Brachioradialis
Brachialis
sits anterior over the elbow joint underneath the biceps
origin - anterior surface distal part humerus
Insertion coronoid process + tuberosity ulna
Biceps brachii
flexion elbow
Long head origin - supraglenoid tubercle scapula
Insertion
radial tuberosity
Short head (Medial ) origin coracoid process scapula
Insertion radial tuberosity
Brachioradialis
Flexion elbow
Wraps around from back of humorous to the radius
Origin lateral supracondylar ridge of humorous
Insertion lateral surface of distal end radius
teres minor
upper 2/3 lateral boarder of scapula inserts into greater tubule of humerus
external rotation and adduction of the arm
teres major
Inferior angle scapula ( below teres minor)
Interubucular sulcus humerous (anterior)
Internal rotation adduction of arm
Where does the long head of the triceps arise
infra-glenoid tubercle
Long head biceps arise
supra glenoid tubercle
Supraspinatus
supraspiantus fossa inserts greater tubercle
abduction humerous
Infraspinatus
infra spiantus fossa, back tubercle
external rotation humerous
Teres minor
Lateral boarder scpaula inserts greater tubercle
external rotation humorous
Subscapularis
anterior aspect scapular in subscapularis fossa inserts lesser tubucle
Internal rotation
hamstrings insert
ishial tuberosites