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orgin, insertions and action of Muscles
Question | Answer |
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What is the Origin,Insertion and Action of the Rhomboids Major and Minor? | O-Spinous Processes of C7-T5 I-Vertebral Border of the Scapula Above and below the Spine of the Scapula A-Adducts the Scapula |
What is the Origin,Insertion and Action of the Teres Minor? | O-Axillary Border of Scapula I-Greater Tubercle of the Humerus A-Laterally rotates the Humerus |
What is the Origin,Insertion and Action of the Infraspinatus? | O-Infraspinatus Fossa of the Scapula I-Greater Tubercle of Humerus A-Lateral Rotation of Humerus |
What is the Origin,Insertion and Action of the Supraspinatus | O-Supraspinatus Fossa Above the Spine I-Greater Tubercle of Humerus A-Abducts the Humerus the first 15 degrees |
What is the Origin,Insertion,and Action of the Teres Major? | O-Inferior Angle of Scapula I-Bicipital Groove of the Humerus A-Extends,Adducts & Medial Rotates the Humerus |
What is the Origin,Insertion and Action of the Sternocleidomastiod? | O-Manubrium/Sternum & Clavicle I-Mastiod Process of Temporal Bone A-Unilateral Contraction: Ipsilateral-Lateral Flexion and contralateral rotation of neck. Bilateral Contraction: Flexion of the neck |
What is the Origin, Insertion and Action of the Trapezius? | O-EOP (External Occipital Protuberance) to T12 I-Lateral Clavicle, Acromion Process, Spine of the Scapula A-UPPER FIBERS-Elevation and Upward rot. of the Scapula MIDDLE FIBERS-Retraction of the Scapula LOWER FIBERS-Depression and upward rot. of scapul |
What is the Origin, Insertion and Action of the Latissimus Dorsi? | O-T6-Sacrum I-Bicipital Groove of the Humerus A-Extension, Medial rotation & Adduction of the shoulder |
What is the Origin, Insertaion and Action of the Tensor Fascia Lata? | O-Anterior Illac Crest I-Illotial Tract(Lateral Condyle of the Tibia) A-Flexes and Abducts the Hip |
What is the Origin, Insertation and Action of the Semimembranosus? | O-Ishial Tuberosity I-Medial Condyle of the Tibia A-Flexes the Leg & Extends the Thigh/Femur |
What is the Origin, Insertion and Action of the Psoas? | O-T12-L5 I-Lesser Trochanter of the Femur A-Flexes the Femur |
What is the Origin, Insertion and Action of the Illacus? | O-Fossa of the Illium I-Lesser Trochanter of the Femur A-Flexes the Femur |
What is the Origin. Insertion and Action of the Gluteus Maximus? | O-Crest of the Illium I-Gluteal Tuberosity A-Extends & Laterally Rotates the Femur |
What is the Origin, Insertion and Action of the Vastus Medialis | O-Medial Femur I-Tibial Tuberosity Action Extends the Knee |
What is the Origin, Insertion and Action of the Biceps Femoris? | O-Ishial Tuberosity I-Head of the Fibula & Lateral Condyle of the Tibia |
What is the Origin, Insertion and Action of the Biceps? | O-Long Head-Supraglenoid Tubercle Short Head-Coracoid I-Radial Tuberosity A-Flexes the Arm, Forearm and Supinates the Forearm |
What is the Origin, Insertion and Action of the Pectoralis Major? | O-Sternum & Clavicle I-Bicipital Groove A-Flexion of the Arm Internal Rotation of the Arm Adduction of the Arm |
What is the Origin, Insertion and Action of the Triceps? | O-Long Head-Infraglenoid Tubercle Med & Lat Heads-Medial and Lateral Humerus I-Olecranon Process of the Ulna A-Extension of the Forearm and the Shoulder |
What is the Origin, Insertion and Action of the Deltoids? | O-Lat Clavicle, Acromion Process and Spine of the Scapula I-Deltoid Tuberosity of the Humerus A-Ant.Fibers-Flexion,Adduction,Internal Rotation of the shoulder Middle Fibers-Abduction of the Shoulder Posterior Fibers-Extension of the Shoulder |
What is the Origin, Insertion and Action of the Rectus Abdominus? | O-Ribs 5-7 & Xiphoid Process I-Pubis A-Depresses the Ribs & Flexes the Vertebral Column |
What is the Origin, Insertion and Action of the Tibialis Anterior | O-Anterior Lateral Tibia I-Ventral Aspect of the Foot Action Dorsi Flexion and Inversion of the Foot |
What is the Origin, Insertion and Action of the Gastrocnemius? | O-Medial and Lateral Condyles of the Femur I-Calcaneus via the Achilles Tendon A-Plantar Flexes the Foot Flexes the Knee |
What is the Origin, Insertion and Action of the Vastus Lateralis | O-Lateral Femur I-Tibial Tuberosity A-Extends the Knee |
What is the Origin, Insertion and Action of the Rectus Femoris? | O-AIIS (Anterior Inferior Illiac Spine) I-Tibial Tuberosity A-Extends the Knee Flexion of the hip |
What is the Origin, Insertion and Action of the Semitendinosus? | O-Ishial Tuberosity I-Medial Tibia A-Flexes the Leg Extends the Thigh/Femur |
What is the Origin, Insertion and Action of the Femur Adductors? | O-Ishium I-Linea Aspera of Femur A-Adducts the Femur |