movement analysis assignment
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Muscles related to movement of the fingers and thumb |
Movement |
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Flexor Digitorum Superficialis |
Flexion of digits 2-5 (MP and PIP joints) – also flexes the wrist |
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Flexor Digitorum Profundus |
Flexion of digits 2-5 (MP and DIP joints) – also flexes the wrist |
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Flexor Digiti Minimi Brevis |
Flexion of 5th digit |
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Flexor Pollicus Longus |
Flexion of the thumb (all joints) |
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Flexor Pollicus Brevis |
Flexion of the thumb (CMC and MP joints only) |
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Extensor Digitorum |
Extension of digits 2-5 |
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Extensor Digiti Minimi |
Extension of the 5th digit (little finger) |
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Extensor Indicis |
Extension and adduction of the 2nd digit (index finger) |
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Extensor Pollicus Brevis |
Extension of the thumb (at the CMC and MP joints) – also abducts the wrist |
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Extensor Pollicus Longus |
Extension of thumb (all joints) – also abducts the wrist |
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Adductor Pollicus |
Thumb adduction |
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Abductor Pollicus Brevis |
Thumb abduction |
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Abductor Pollicus Longus |
Thumb abduction and extension – also abducts the wrist |
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Opponens Polliccus |
Thumb opposition |
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Abductor Digiti Minimi |
Abduction of 5th finger |
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Opponens Digiti Minimi |
Opposition of 5th finger |
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Dorsal Interossei |
Abduction of the 2nd, 3rd, and 4th fingers |
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Palmar Interossei |
Adduction of all digits towards midline |
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Lumbricals |
Extension of fingers 2-5 at the PIP and DIP joints; flexion of fingers 2-5 at the MP joints |
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Palmaris Brevis |
Tension of the skin of the palm on the ulnar side during a grip action |
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Muscles related to movement of the wrist |
Movement |
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Palmaris Longus |
Flexion of the wrist |
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Flexor Carpi Ulnaris |
Flexion and adduction of wrist |
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Flexor Carpi Radialis |
Flexion and abduction of wrist |
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Extensor Carpi Radialis Longus |
Extension and abduction of the wrist |
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Extensor Carpi Radialis Brevis |
Extension and abduction of the wrist |
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Extensor Carpi Ulnaris |
Extension and adduction of the wrist |
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Muscles related to movement of the forearm |
Movement |
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Pronator Teres |
Forearm pronation – also flexes the elbow |
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Pronator Quadratus |
Forearm pronation |
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Supinator |
Forearm supination |
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Bicep Brachii |
Forearm supination – also flexes the elbow and shoulder |
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Muscles related to movement of the elbow |
Movement |
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Biceps Brachii |
Flexion of the elbow AND shoulder – also supinations the forearm |
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Brachialis |
Flexion of the elbow |
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Brachioradialis |
Flexion of the elbow |
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Triceps Brachii |
Extension of the elbow – also extends and adducts the shoulder |
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Anconeus |
Extension of the elbow |
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Muscles related to movement of the shoulder & scapula |
Movement |
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Deltoid |
All: abduction of the shoulder Anterior fibers: flexion, medial rotation, horizontal adduction of the shoulder Posterior fibers: extension, lateral rotation, horizontal abduction of the shoulder |
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Infraspinatus (Rotator Cuff Muscle) |
Lateral rotation and adduction of the shoulder; Stabilization of the humerus |
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Supraspinatus (Rotator Cuff Muscle) |
Abduction of the shoulder; Stabilization of the humerus |
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Subscapularis (Rotator Cuff Muscle) |
Internal rotation of the shoulder; Stabilization of the shoulder |
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Teres Major (Rotator Cuff Muscle) |
Adduction, extension, and internal rotation of the shoulder |
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Teres Minor |
Lateral rotation and adduction of the shoulder |
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Pectoralis Major |
Adduction and medial rotation of the humerus |
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Pectoralis Minor |
Depression, abduction and downward rotation of the scapula |
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Coracobrachialis |
Adduction and flexion of the shoulder |
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Latissimus Dorsi |
Adduction, extension, and internal rotation of the shoulder |
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Trapezius |
Rotation, retraction, elevation, and depression of the scapula |
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Serratus Anterior |
Protraction, upward rotation and depression of the scapula; stabilization of the scapula |
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Levator Scapulae |
Elevation and downward rotation of the scapula |
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Rhomboid Major |
Scapular retraction, elevation and downward rotation; Fixes the scapula to the thoracic wall |
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Rhomboid Minor |
Scapular retraction, elevation and downward rotation; Fixes the scapula to the thoracic wall |
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Subclavius |
Depression of the clavicle; Elevation of the 1st rib |
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Joints of the Hand
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Common Associated Movements |
Normal ROM of Joint |
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Metacarpophalangeal Joint – Connects the metacarpals to the proximal phalanges of the digits |
Flexion/extension, abduction/adduction, and circumduction |
MCP Flexion – 0 to 90 degrees MCP Extension – 0 to 45 degrees
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Trapeziometacarpal Joint – Connects the trapezium to the 1st metacarpal bone (thumb) |
Free movement of the thumb, supination/pronation, abduction/adduction, flexion/extension, circumduction |
Thumb Flexion – 0 to 55 degrees Thumb Extension – 0 degrees Thumb Abduction – 0 to 70 degrees |
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Carpometacarpal Joint – Connects the 2nd to 5th digits to the trapezoid, trapezium, capitate, and hamate of the wrist |
Flexion/extension |
CMC Flexion – 0 to 50 degrees |
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Proximal Interphalangeal Joint – Present only in the 2nd to 5th digits; Connects the proximal and intermediate phalanges |
Flexion/extension |
PIP Flexion – 0 to 115 degrees PIP Extension – 0 degrees |
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Distal Interphalangeal Joint – Present only in the 2nd to 5th digits; Connects the intermediate and distal phalanges |
Flexion/extension |
DIP Flexion – 0 to 90 degrees DIP Extension – 0 to 20 degrees |
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Joints of the Wrist |
Common Associated Movements |
Normal Joint ROM |
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Radiocarpal Joint – Connects the metacarpals to the carpals of the wrist |
Flexion/extension, Radial/ulnar deviation |
Wrist flexion/extension – 0 to 70 degrees Radial deviation – 0 to 20 degrees Ulnar deviation – 0 to 35 degrees |
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Joints of the Elbow |
Common Associated Movements |
Normal Joint ROM |
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Proximal Radioulnar Joint – Connects the head of the radius and the ring formed by the radial notch of the ulna |
Pronation/supination |
Forearm Pronation – 0 to 70 degrees Forearm Supination – 0 to 85 degrees |
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Humeroradial Joint – Connects the radius and humerus |
Flexion/extension, Pronation/supination |
Elbow Flexion/extension – 0 to 145 degrees Forearm Pronation – 0 to 70 degrees Forearm Supination – 0 to 85 degrees |
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Humeroulnar Joint – Connects the humerus and ulna |
Flexion/extension, Circumduction |
Elbow Flexion/extension – 0 to 145 degrees
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Joints of the Shoulder |
Common Associated Movements |
Normal ROM of the Joint |
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Glenohumeral Joint – Connects the head of the humerus and the glenoid cavity of the scapula |
Flexion/extension, Abudction/adduction (frontal and horizontal), Internal/external rotation |
Flexion – 0 to 180 degrees Extension – 0 to 60 degrees Abduction – 0 to 180 degrees Internal rotation – 0 to 70 degrees External rotation – 0 to 90 degrees Horizontal abduction – 0 to 90 degrees Horizontal adduction – 0 to 45 degrees |
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Acromioclavicular Joint – Connects the clavicle and the acromion of the scapula |
Not a moveable joint; Provides a pivot point to allow movement of the scapula resulting in a greater degree of arm rotation |
N/A |
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Sternoclavicular Joint – Connects the clavicle and the sternum |
Elevation/depression of the scapula |
Scapular elevation – 0 to 40 degrees Scapular depression – 0 to 10 degrees |
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Scapulothoracic Joint – Connects the scapula to the ribs at the back of the chest |
Elevation/depression, Retraction/protraction, Superior/inferior rotation of the scapula |
Scapular elevation – 0 to 40 degrees Scapular depression – 0 to 10 degrees Scapular protraction – 0 to 20 degrees Scapular retraction – 0 to 15 degrees |