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Levers
Types of Levers
Exercise | Fulcrum | Motive Force | Resistance | Class of Lever | Reason |
---|---|---|---|---|---|
Bicep Curl | Elbow Joint | Biceps | Weight of forearm or hand weight | Third Class | Insertion of bicep crosses the elbow joint |
Tricep Extension | Elbow Joint | Triceps | Weight of forearm or hand weight | First Class | Tricep muscle inserts on to the tendon of the triceps brachii behind the elbow joint |
Chest Press | Shoulder joint | Pectoralis Major& deltoid | Hand weight | Third Class | Pecs cross shoulder joint and insert on the humerus |
Push Up | Balls of feet | Pectoralis Major | Own body weight & gravity in center of body | Second Class | Resistance in center of body |
Deadlifts | Hip Joint | Gluts, hamstrings | Weighted bar in hand | First Class | Fulcrum is in the center, muscles insert behind the fulcrum, weight is in front |
Toe Raise | Toe Joint | Gastrocnemious | Body weight | Second class | Resistance in heal |