Practical Exam- Muscles Flashcards
Biceps Brachii
O=
Short head - Coracoid Process of the Scapula
Long head - Supraglenoid Tubercle of the scapula
I= Radial Tuberosity of the Radius
Agonist exercise= Biceps Curl
Joint Action = Flexion & Extension
Contraction = Concentric & Eccentric
Plane = Sagital Plane Axis= Frontal
Brachialis
O= Humerus - Anterior surface of distal humerus
I= Ulna - Coranoid process and tuberosity
Agonist exercise = Dumbbell hammer curls
Joint Action = Flexion & Extension
Contraction = Con / Ecc
Plane = Sagital Plane Axis= frontal
Brachioradialis
O= Lateral supracondyle ridge of the Humerus
I= Lateral surface of distal end of Radius
Agonist exercise = Dumbbell hammer curls
Joint Action = Flexion & Extension
Contraction = Con / Ecc
Plane = Sagital Plane Axis= frontal
Triceps brachii
O=
Medial Head - Humerus - Bottom 1/3 posterior shaft
Lateral Head - Humerus - Top 1/3, above radial groove
Long Head - Scapula - Infraglenoid Tubercle
I= Ulna - Olecreon of the Ulna
Agonist exercise = Tricep Pull down
Joint Action = Elbow extension
Contraction = Concentric & Eccentric
Plane = Sagital Plane Axis= Frontal
Pronator teres
O= Humerus - Medial epicondyle & Ulna - Coronoid process
I= Radius - Middle of lateral surface
Agonist exercise = Resistance band - Pronation
Joint Action = Elbow pronation
Contraction = Con/Ecc
Plane = Transverse Axis= Vertical
Supinator
O= Humerus - Lateral epicondyle
I= Radius - Proximal 1/3 - anterior, posterior and lateral surface
Agonist exercise = Resistance band - supination
Joint Action = Elbow supination
Contraction = Con/Ecc
Plane = Transverse Axis= Vertical
Pectoralis major
Clavicular Head
O= Medial half of clavicle
Sternal Head
O= Sternum and costal cartilage (1-6)
I= Greater tubercle crest of Humerus
Agonist exercise = Bench Press
Joint Action = Horizontal shoulder adduction
Contraction = Concentric & Eccentric
Plane = Transverse Plane Axis= Vertical
Latissimus dorsi
O= R - Ribs - Lower 3 or 4 S - Sacrum I - Iliac Crest - posterior part T - Thoracolumbar Fascia S - Spine - Thoracic 7-12 & Lumbar 1-5
I= Humerus - Floor of intertubercular groove
Agonist exercise = Seated Row
Joint Action = Shoulder - Extension/Flexion
Contraction = Con / Ecc
Plane = Sagital Axis= Frontal
Deltoid
O=
Anterior - O= Lateral 1/3 of clavicle
Middle - O= Scapula - Acromion - lateral margin, superior surface
Posterior - O= Spine of the scapula - Inferior lip of posterior border
I= Humerus - Deltoid tuberosity
Agonist exercise = Lateral Raise - dumbells
Joint Action = Shoulder Abduction
Contraction = Con/Ecc
Plane = Frontal Axis= Sagital
Supraspinatus
O= Scapula - Supraspinatus Fossa
I = Humerus - Greater Tuberosity
Agonist exercise = Lateral Raise
Joint Action = Shoulder abduction
Contraction = Con/Ecc
Plane = Frontal Axis= Sagital
Infraspinatus
O= Scapula - Infraspinatus Fossa
I= Humerus - Greater Tuberosity
Agonist exercise = External rotation with resistance band
Joint Action = Shoulder external rotation
Contraction = Con /Ecc
Plane = Transverse Axis= Vertical
Serratus anterior
O= Ribs 1-8 OR 1-9 - Outer surface and superior border
I = Scapula - Costal (Anterior) surface of medial border
Agonist exercise = Push up plus
Joint Action = Scapula protraction
Contraction = Protraction/retraction
Plane = Transverse Axis= Vertical
Upper Trapezius
O= Occipital Bone
Nuchal Ligament
Cervical Vertebrae C7 - Spinous Process
I= Clavicle - Lateral 1/3
Agonist exercise = Weighted shoulder shrugs
Joint Action = Scapula elevation
Contraction = Con/Ecc
Plane = Frontal Axis= Sagital
Middle Trapezius
O= Thoracic Vertebrae T1-4 - Spinous Processes
I= Scapula - Spine lateral 1/3 and Acromion Process
Agonist exercise = Seated Row
Joint Action = Scapula - Retraction/Protraction
Contraction = Con / Ecc
Plane = Transverse Axis= Vertical
Lower Trapezius
O= Thoracic Vertebrae T5-12 - Spinous Process
I= Scapula - Spine - medial third
Agonist exercise = Seated Row
Joint Action = Scapula - Retraction/Protraction
Contraction = Con / Ecc
Plane = Transverse Axis= Vertical