1. Muscular System

2. Isometric & Isotonic Contractions
Isometric muscle contraction
It develops tension without changing length
Isotonic muscle contraction
Concentric:
Tension development while shortening
Eccentric:
Tension development while lengthening

8. The Muscular System I Skeletal Muscles 1
Muscles That Move the Head, Neck, and Face
1- Muscles of Facial Expression
2- Muscles of Mastication
3- Muscle of Head and Neck
Muscles That Move the Trunk
1- Muscle of the Thorax
2- Muscles of the Abdominal Wall
3- Postural Muscles of the Back
Muscles That Move the Shoulder
1- Muscles of the Shoulder
2- Rotator Cuff Muscle

9. Muscles That Move the Forearm and Wrist
Muscles that Move the Wrist and Digits
Muscles That Move the Hip and Knee
Muscles of the Pelvic Girdle
Muscles of the Thigh
Muscles That Move the Ankle and Foot

10. Muscles that Move the Head, Neck, and Face
1- Muscles of facial expression (they tense the skin and produce the facial expressions of different emotional states).
2- Muscles of mastication (they move the jaw for chewing).
3- Muscles that move the head and neck.

23. Palmaris longus

27. Muscles That Move the Hip and Knee They flex the leg at knee
Muscles of the Thigh
Posterior view
Hamstrings Group
They flex the leg at knee
Biceps femoris
Semitendinous
Semimembranous
Left
Right