Arm + Cubital Fossa Flashcards
Deltoid Origin
Anatomical Horseshoe (Clavicle, Acromion, Scap Spine)
Deltoid Insertion
Humerus’ Deltoid Tuberosity
Deltoid Nerve
Axillary
Deltoid Unipennate Parts
Posterior, Anteior
Deltoid Multipennate Part
Middle Fibres
Multipennate Meaning
Multiple tendons = very very strong
Deltoid Post Fibre Movement
Extends, externally rotates, abducts/adducts arm
Deltoid Ant Fibres Movement
Flexes, Internally Rotates, Abducts/Adducts Arm
Deltoid Middle FIbres Movement
Abducts Arm
Teres Major Origin
Scapula Inferior Angle
Teres Major Insertion
Intertubercular Groove
Teres Major Nerve
Lower Subscapular
Teres Major Movemnt
Internal Rotation
Shunt Muscles ROle
Prevent unwanted inferior movement of humeral head at the shoulder joint, during loading (ie carrying heavy stuff)
Shunt Muscles
Deltoid, Short Head Biceps, Coracobrachialis, Long Head Triceps
Intertubercular Groove Insertions
Pec Major - Lat Dorsi - Teres Major (gangbang)
Deltoid Tuberosity Med or Lat?
Lat
Flexor Compartment Arm Muscles
Biceps, Coracobrachialis, Brachialis
Flexor Compartment Arm Nerve
Musculocutaneous
Extensor Compartment Arm Muscles
Triceps, Anconeus
Extensor Compartment Arm Nerve
Radial
Biceps Brachii Nerve
Musculocutaneous
Biceps Brachii Origin
- Long Head = Supraglenoid Tubercle
- Short head = Coracoid
Biceps Brachii Insertion
Radial Tuberosity + Bicipital Aponeuroses