human chest and arm muscles
DESCRIPTION
Human Chest and Arm Muscles. Pectoralis Major. Pectoralis Minor. Rotator Cuff Muscles. Supraspinatus Infraspinatus Teres minor Subscapularis Another shoulder muscle, but not part of the Rotator Cuff: Teres Major. ROTATOR CUFF: Subscapularis Teres minor Supraspinatous Infraspinatous. - PowerPoint PPT PresentationTRANSCRIPT
Human Chest and Arm Muscles
Pectoralis Major
Pectoralis Minor
Rotator Cuff Muscles
• Supraspinatus• Infraspinatus• Teres minor• Subscapularis
Another shoulder muscle, but not part of the Rotator Cuff:
• Teres Major
ROTATOR CUFF:
SubscapularisTeres minor
Supraspinatous Infraspinatous
Subscapularis
(Teres major)
(Biceps brachii)
Teres minor
Infraspinatous
Supraspinatous
ROTATOR CUFF:
SubscapularisTeres minor
Supraspinatous Infraspinatous
Rotator Cuff Injury Symptoms
• Pain and tenderness in your shoulder, especially when reaching overhead, reaching behind your back, lifting, pulling or sleeping on the affected side.
• Diagnosis– X-rays– MRI– Ultrasound
Causes of Rotator Cuff Injuries • Normal wear and tear. • Poor posture. When you slouch your neck and shoulders forward, the
space where the rotator cuff muscles reside can become smaller. This can allow a muscle or tendon to become pinched under your shoulder bones (including your collarbone), especially during overhead activities, such as throwing.
• Falling. Using your arm to break a fall or falling on your arm• Lifting or pulling. Lifting an object overhead Likewise, pulling
something, such as a high-poundage archery bow, may cause an injury.
• Repetitive overhead movement. This occurs often in athletes, especially baseball pitchers, swimmers and tennis players. It's also common among people in the building trades, such as painters and carpenters.
Deltoid
Deltoid
Biceps brachii
Deltoid
Coracobrachialis
Triceps brachii
Biceps brachii
Deltoid
Coracobrachialis
Biceps brachii
Brachialis (deep to biceps brachii)
Deltoid
Biceps brachii
Triceps brachii
Brachioradialis
Pronator teres
Extensor digitorum
Extensor carpi radialisExtensor carpi ulnaris
Ext digitorum Extensor carpi ulnaris
Ext carpi radialis
Palmaris longus
Flexor retinaculum
Flexor carpi radialis
Flexor carpi ulnaris
Palmaris longus Flexor carpi radialis
Flexor carpi ulnaris
Ext pollicis longus Ext pollicis brevis Abd pollicis longus Brachioradialis
Pronator teres
Extensor pollicis longus
Extensor pollicis brevis
Abductor pollicis longus