Principles of Functional Exercise

TRAPEzIuS (LOWER FIBERS) Joint Action perfomed by the scapula (scapular stabilizer) Upper rotation Adduction Depression Joint ...

Joint Action of the Spine (cervical) Extension Lateral flexion Contralateral rotation The joint actions of the scapula and spi ...

RHOMBOID MAJOR Joint Action performed by the scapula Adduction Downward rotation For example it assists the trapezius when mov ...

Joint Action performed by Cervical spine Extension (I,II,III) Lateral flexion (I,II) Rotation (I,II) Joint Action performed by ...

Common distortions caused by tightness is an internally rotated humerus MIDDLE DELTOID Joint Action performed by the Shoulder (g ...

External Rotation Horizontal Abduction Stabilizes glenohumeral joint For example performing external rotation in a side-lying ...

Insertion: Humerus (proximal anterior) Lesser tubercle Common distortions due to weakness include glenohumeral instability and t ...

Biceps Brachii (short head) Joint Action performed by the Elbow, Forearm Flexion Supination – respectively Joint Action perfor ...

Origin: Humerus – Lateral supracondylar ridge Insertion: Radius (lateral distal) – Styloid process For example hammer curls Comm ...

Origin: Humerus (Posterior) – Inferior to radial groove Insertion: Ulna (Proximal posterior) – Olecranon process FOREARM Wrist E ...

Common distortions due to tightness include tennis elbow (lateral epicondylosis) due to overuse. This may be due to t excessive ...

Common distortions due to tightness is a median and ulnar nerve entrapment. It is important to assess these muscles, along with ...

SuPINATOR Joint Action performed by the Forearm Supinates – turning palming up Origin: 1. Humerus – Laterl epicondyle Ulna – ...

ADDuCTOR MAGNuS Joint Action performed by the Hip Adduction Horizontal adduction Extension External rotation (during adduction) ...

For example the hip and spine combined bring thigh forward and up. It helps bend the trunk forward against gravity. It assists w ...

PECTINEuS Joint Action performed by the Hip 1.Adduction Horizontal Adduction Flexion (initial) Origin: Pubis – upper border In ...

Gluteus Maximus – I. Upper Fibers II. Lower Fibers Joint Action performed by the Hip Extension (I,II) External rotation (I,II) ...

Common distortions due to weakness include buckling knees during squats and over-adduction during gait GLuTEuS MINIMuS Joint Act ...

Common distortions caused by tightness include lateral tracking of femur during hip flexion SARTORIuS Joint Action performed by ...

BICEPS FEMORIS (SHORT HEAD) Joint Action performed by the Knee Flexion External rotation Origin: Femur (posterior) – A. Linea ...