SPORTS MEDICINE 25



SPORTS MEDICINE 25

‘CARE, PREVENTION AND REHABILITATION’

UNIT I ~ ANATOMY

PART II: ANATOMY OF THE SPINE, ABDOMEN AND SHOULDER COMPLEX

1.1: Part I ~ Anatomy of the Spine, Abdomen and Shoulder Complex

In this section of the course we look at the major muscles of the spine, abdomen and shoulder complex, their origins, insertions and functions.

Muscle of the trunk (anterior view) Muscles of the back (posterior view)

• Muscles of the Neck:

A. Sternocleidomastoid

Muscle action: _________________________________________

Muscle origin: _________________________________________

Muscle insertion: _______________________________________

• Muscles involved in Respiration and of the Abdomen:

Muscles of the Thoracic Cage:

➢ __________________________________________

➢ __________________________________________

➢ __________________________________________

Muscles of the Abdomen:

➢ __________________________________________

➢ __________________________________________

➢ __________________________________________

➢ __________________________________________

• Muscles of the Thoracic Cage:

A. Diaphragm

Muscles Action:

_____________________________________________________________________________________________

Muscle Origin:

_____________________________________________________________________________________________

Muscle Insertion:

______________________________________________________________ _______________________________

Respiration

INSPIRATION RESPIRATION

B. Intercostal Muscles (Internal and External):

Muscles Action: _________________________________

_________________________________

_________________________________

Muscle Origin:

_________________________________

_________________________________

_________________________________

Muscle Insertion:

_________________________________

_________________________________

_________________________________

C. Transversus Thoracis:

Muscle Action: ________________________________

________________________________________________________________________________________

Muscle Origin: ________________________________

____________________________________________

____________________________________________

Muscle Insertion: ______________________________

____________________________________________

____________________________________________

• Muscles of Abdomen:

A. Rectus Abdominis:

Muscle Action: ___________________________________

______________________________________________________________________________________________

Muscle Origin: ___________________________________

______________________________________________________________________________________________

Muscle Insertion: _________________________________

_______________________________________________

B. External Abdominal Oblique:

Muscle Action: ________________________________

________________________________________________________________________________________

Muscle Origin: ________________________________

____________________________________________

____________________________________________

Muscle Insertion: ______________________________

____________________________________________

____________________________________________

C. Internal Abdominal Oblique:

Muscle Action: _______________________________

________________________________________________________________________________________

Muscle Origin: ________________________________

________________________________________________________________________________________

Muscle Insertion: ______________________________

________________________________________________________________________________________

D. Transversus Abdominis:

Muscle Action: ___________________________________

______________________________________________________________________________________________

Muscle Origin: ___________________________________

______________________________________________________________________________________________

Muscle Insertion: _________________________________

______________________________________________________________________________________________

• Muscles of the Pectoral Girdle:

The muscles that affect the shoulder joint can be divided up into ____ categories.

• Muscles acting on the upper limbs: _________________________ and the ______________________________.

• Four ‘rotator cuff’ muscles: _________________, __________________, ____________________ and ____________________.

• Six muscles that link the scapula to the axial skeleton: ___________________, __________________, ___________________, ___________________, __________________ and ________________.

• Three muscles that move the humerus: ___________________, __________________, and ____________________.

2 Muscles of the Upper limbs:

A. Pectoralis Major

Muscle Origin: ________________________

________________________________________________________________________

____________________________________

Muscle Insertion: ______________________

________________________________________________________________________

Muscle Action: ________________________

________________________________________________________________________

B. Latissimus Dorsi

Muscle Origin: _______________________________

______________________________________________________________________________________

Muscle Insertion: _____________________________

Muscle Action: ______________________________

______________________________________________________________________________________

Did you know? During the 2004 Olympic games in Athens, the Men’s 100 Meter sprinters produced enough muscular power to clock a top speed that approached 45 kilometers an hour (70-80 meters into the race)!!!

• Muscles of the Rotator Cuff:

The rotator cuff consists of four muscles that essentially hold the shoulder joint in place. These muscles help ______________________ arm movements (like in a ________________________).

The four muscles of the ‘rotator cuff’ are: _______________________, _____________________, ____________________ and the _______________________.

A. Supraspinatus

Muscle Origin: ___________________________

_______________________________________

_______________________________________

Muscle Insertion: _________________________

_______________________________________

_______________________________________

Muscle Action: __________________________

_______________________________________

_______________________________________

B. Infraspinatus

Muscle Origin: ___________________________

_______________________________________

_______________________________________

Muscle Insertion: _________________________

_______________________________________

_______________________________________

Muscle Action: __________________________

_______________________________________

_______________________________________

Did you know? The tongue is the strongest muscle in the human body!! Pound for Pound

Teres Minor

Muscle Origin: _________________________________

__________________________________________________________________________________________

Muscle Insertion: _______________________________

__________________________________________________________________________________________

Muscle Action: _________________________________

_____________________________________________

______________________________________________

Subscapularis

Muscle Origin: ___________________________________

_______________________________________________

_______________________________________________

Muscle Insertion: _________________________________

_______________________________________________

_______________________________________________

Muscle Action: ___________________________________

_______________________________________________

_______________________________________________

• The muscles that position the scapula and link it to the axial skeleton are:

➢ _______________________________

➢ _______________________________

➢ _______________________________

➢ _______________________________

➢ _______________________________

➢ _______________________________

A. Trapezius

Muscle Origin: _______________________________

______________________________________________________________________________________

Muscle Insertion: _____________________________

______________________________________________________________________________________

Muscle Action: ______________________________

___________________________________________

___________________________________________

B. & C. Rhomboid Major and Minor

B. Rhomboid Major

Muscle Origin: ____________________________________________________

________________________________________________________________

Muscle Insertion: __________________________________________________

________________________________________________________________

Muscle Action: ____________________________________________________

________________________________________________________________

C. Rhomboid Minor

Muscle Origin: ____________________________________________________

________________________________________________________________

Muscle Insertion: __________________________________________________

________________________________________________________________

Muscle Action: ____________________________________________________

D. Levator Scapulae

Muscle Origin: _________________________________

__________________________________________________________________________________________

Muscle Insertion: _______________________________

__________________________________________________________________________________________

Muscle Action: _________________________________

__________________________________________________________________________________________

E. Serratus Anterior

Muscle Origin: _________________________________

__________________________________________________________________________________________

Muscle Insertion: _______________________________

__________________________________________________________________________________________

Muscle Action: _________________________________

__________________________________________________________________________________________

F. Pectoralis Minor

Muscle Origin: ______________________________

____________________________________________________________________________________

Muscle Insertion: ____________________________

____________________________________________________________________________________

Muscle Action: ______________________________

____________________________________________________________________________________

Scapula muscles that move the Humerus:

➢ __________________________________

➢ __________________________________

➢ __________________________________

The Deltoid Group

[pic] [pic]

Lateral Posterior Anterior

A. The Deltoid group

Muscle Origin: ____________________________________________________

________________________________________________________________

Muscle Insertion: __________________________________________________

________________________________________________________________

Muscle Action: ____________________________________________________

________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

B. Coracobrachialis

Muscle Origin: _________________________________________

_____________________________________________________

Muscle Insertion: ______________________________________

_____________________________________________________

Muscle Action: ________________________________________

_____________________________________________________

B. Teres Major

Posterior View Anterior View

Muscle Origin: ____________________________________________________

________________________________________________________________

Muscle Insertion: __________________________________________________

________________________________________________________________

Muscle Action: ____________________________________________________

________________________________________________________________

To review, and for the sake of having all of the aforementioned muscles visually on one page, here is a chart showing a list of muscles covered in Sports Medicine 25.

Muscles of the Upper Limbs

| | | |

|Muscles of the Neck |Muscles of the Abdomen and Thoracic cage |Muscles of the Shoulder Complex |

| | | |

|Sternocleidomastoid |Diaphragm |Latissimus Dorsi |

| |Intercostal muscles |Pectoralis Major |

| |Transversus thoracis | |

| | |Supraspinatus |

| |Rectus abdominus |Infraspinatus |

| |External obliques |Teres Minor |

| |Internal obliques |Subscapularis |

| |Transversus abdominis | |

| | |Trapezius |

| | |Rhomboid Major |

| | |Rhomboid Minor |

| | |Levator Scapulae |

| | |Serratus Anterior |

| | |Pectoralis Minor |

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